330 MERISTIC VARIATION. [part I. 



The digits were arranged in two groups, which were to some extent 

 opposable to each other. The digits II, III, IV and V stood in their 

 normal positions and were properly formed. In the place where the 

 thumb should stand there were two digits, each with three pha- 

 langes. Of these the external (rf 2 ) was of about the length and 

 form of the index finger while the internal, d 1 , was a good deal 

 shorter and more slender. The bones of the carpus are shewn in 

 Fig. 88. The scaphoid was represented in the right hand by two 

 bones n 1 and n 2 , and there were two accessory bones, ac 1 and ac 2 

 placed in the positions shewn. The two hands were almost exactly 

 alike, save for slight differences in the carpal bones [see original 

 figures], and for the fact that in the left hand the internal of the 

 two digits of the radial group was rather more rudimentary. 

 Rudinger, Beitr. zur Anat. des Gehororgans, d. venosen Blutbahnen 

 d. Schddelhohle, sotuie der ilberzdhligen Finger, Miinchen, 1876, 

 Plate. [Both hands in Condition IV.] 



489. A female child born to the last case, No. 488, had the right hand 

 in the same condition as that of the father, while the left hand 

 differed from it in the presence of an additional rudimentary 

 finger arising from the ulnar side of the digit d\ This additional 

 finger bore a nail but it appeared to consist of two joints only and 

 to be attached to the metacarpus by ligamentary connexions. 

 Rudinger, ibid. [Right hand in Condition IV ; left hand depart- 

 ing from the Conditions enumerated. Compare with manus of 

 Cat, Fig. 84] 



490. Man. Rigid hand bore six digits and metacarpals. The most 

 external digit was a normal minimus, succeeded by digits IV and 

 III webbed together. Next to III there was an index. Internal 

 to this and separated from it by a small metacarpal space was a 

 3-phalanged long digit much as in Windle's case, No. 481, and 

 internal to it is a 2-phalanged thumb of nearly normal form like 

 that of No. 485. Left hand bore seven digits but six metacarpals. 

 Minimus normal. IV, III and II webbed together. Internal to II 

 was a 3-phalanged digit much as in the right hand ; but internal 

 to this there was a metacarpal bearing two digits, an external 

 having 3 phalanges and an internal having 2 phalanges. Each 

 foot had six digits and six metatarsals (q. v.). Redescribed from 

 the account and figures given by Gruber, Bull. Ac. Sci. Pet., xvi. 

 1871, p. 359, figs. [Right hand Condition IV, left hand Con- 

 dition V.] 



491. Child having six fingers on each hand. The fingers were united together. In 

 the thumb [? both] there were three phalanges and the length of the thumb was as 

 great as that of the "other fingers." Dubois, Arch, gener. de Med., 1826, Ann. iv. 

 T. xi. p. 148; this case is quoted by Geoffroy St Hilaire, Hist, des Anom., i. p. 227, 

 Note. [? Condition IV.] 



491, d. New-born male child having on the right hand two "thumbs" each with three 

 phalanges. Oberteufer, J. G., Stark's Arch. f. Gebnrtsh., 1801, xv. p. 612. [Con- 

 dition IV.] 



(No more cases known to me.) 



* 



