Portrait of Giacomo Casanova.
Portrait of Giacomo Casanova by Pietro Longhi.

‘Giacomo Casanova had the long ring finger!’

In the history of the world literature there are many references to variations in the length of fingers. But of all revelations none are more lively than the informative comment in the memoirs of Giacomo Casanova (Jacques Casanova de Seingalt, 1725-1798). Finger professor John T. Manning points points out in ‘The Finger Book’ to an anecdote of Casanova – who has been described as the ‘world’s greatest lover’.

Finger professor John T. Manning.

Manning writes on page 2 of his second book The Finger book:

“Casanova was an eighteenth-century musician, gambler, soldier, philosopher, writer, librarian, aspiring priest and, of course, womaniser. It is anecdotal but entirely unsurprising that we find from his diaries that he had a ring finger noticably longer than his index finger.”

“Casanova’s adventures took him across Europe, and it is during his stay in Spain that we learn of the relative length of his fingers. At the time Casanova was enjoying the hospitality of the German neoclassical painter Anton Raphael Mengs. Today Mengs’s work is often regarded as cold and contrived, but at the time he was seen by many as Europe’s greatest living painter, and Goya was one of his many students.”

“In the course of his stay Casanova’s relations with his host were less than cordial. Mengs was openly scathing at what he saw as Casanova’s neglect of his religious duties, and he even attempted to evict Casanova from his household after he had failed to take the sacrament at Easter. Casanova meanwhile complained that Mengs was a lascivous, bad-tempered, jealous, avaricous drunkard who beat his children to excess.”

“It is against this background of growing mutual dislike that Casanova recounts a dispute in which he drew Mengs’s attention to the hand of the pricipal figure in one of his paintings, claiming that it was faulty because the ring finger was shorter than the index finger. Mengs assured him this was the correct human condition, showing Casanova his own long index finger and short ring finger. Laughing, Casanova displayed his badge of prenatal masculinity, and asserted that he was sure that his ring finger, unlike Mengs’s, was ‘like that of all children descended from Adam’. A wager of a hundred pistoles was made, and a hurried comparison with the ring fingers of the painter’s servants showed the ‘Casanova pattern’ to be the more common.”

The Memoirs of Giacomo Casanova di Seingalt.

Peters et al. (2002) reported that Casanova made two clear statements: first, that the ring finger is relatively longer than the index finger and, second, that this is the case for both men and women. What follows is a quote from the work of Casanova (The Memoirs of Casanova: Spanish Passions) about one of his conversations with the German neoclassic painter Anton Raphael Mengs.

QUOTE FROM CASANOVA (1794):

… Once I dared to tell him that he had made a mistake in the hand of one of his figures, as the ring finger was shorter than the index. He replied sharply that it was quite right, and shewed me his hand by way of proof. I laughed, and shewed him my hand in return, saying that I was certain that my hand was made like that of all the descendants of Adam.

“Then whom do you think that I am descended from?”
“I don’t know, but you are certainly not of the same species as myself.”
“You mean you are not of my species; all well-made hands of men, and women too, are like mine and not like yours.”
“I’ll wager a hundred doubloons that you are in the wrong.”

He got up, threw down brushes and palette, and rang up his servants, sayin,-

“We shall see which is right.”

The servant came, and on examination he found that I was right. For once in his life, he laughed and passed it off as a joke, saying-

“I am delighted that I can boast of being unique in one particular, at all events.”

SUGGESTION FOR FURTHER READING:
BBC Test: finger length & sex I.D.!
Finger length & Cupid’s science!
The science of gaydar: finger length & sexual preference!
What they say about men with long ring fingers!

Giacomo Casanova's 'History of My Life' - part 1 to 12.

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Distribution of finger length ratios among women.

The average ‘digit ratio’ is 0.98 among women (while 0.96 among men).

OK, you heard about those finger stories, but do you know how to measure your ‘digit ratio’?

Professor John T. Manning’s “digit ratio” – refers to the ratio between the length of your index finger and your ring finger. The following describes the basic findings of this ‘scientific’ finger research + a 3-step method on how to measure your ‘digit ratio’!

Studies have found that during gestation, testosterone has powerful effects on the developing body and brain, and can cause increased confidence, (financial) risk preferences and search persistence, as well as heightened vigiance and quickened reaction times.

The most common measure is the ratio of the index to ring finger (2D:4D) on the right hand. A relatively longer ring finger – lower 2D:4D – indicates higher prenatal testosterone levels. Men typically have scores below 1, women above 1.

HOW TO MEASURE YOUR ‘DIGIT RATIO’?

1. Place your right hand firmly on the plate of a photocopier with fingers straight. Close cover of place a sheet of paper over your hand to prevent glare from overhead lights. Ensure that the bottom crease and finger tip can be clearly seen in the photocopy.

2. Use a ruler of calipers to measure the distance from the middle of the bottom crease to the tip of the finger.

3. Once you have the measures for both your ring and index finger, then divide the length of your index finger by the length of your ring finger. The result is 2D:4D (2nd digit divided by 4th digit).

Source: University of Cambridge.

Fingers of fate - how to measure your '2D:4D finger ratio'?

SUGGESTIONS FOR FURTHER READING:

Second to fourth digit ratio, testosterone and perceived male dominance!
Finger ratio & financial risk preference!
Finger research says: ‘lingerie sharpens the financial mind in men’!
More finger ratio research