336 



MERISTIC VARIATION. 



[part I. 



the other six fingers could be flexed, or the four fingers of either 

 group together with the " index " of the other group may be 

 extended, while the other three are flexed. The " index " fingers 

 could not be flexed while the other fingers were extended, nor can 

 the " little fingers " be extended while the others were flexed. 

 Murray, J. Jardine, Med. Chir. Trans., 1863, xlvi. p. 29, PL n. 



496. Female child, five weeks, having a hand of eight digits on the right side 

 (Fig. 94). The digits were disposed in two groups of four in each. [No further 



-*—•"'* 



Fig. 94. Right hand of No. 496. (After Giraldes.) 



description.] Giraldes, Bull. soc. de Chirurg., Paris, 1866, Ser. 2, vi. p. 505, 

 fig. The same case referred to again, Giraldes, Mai. Chir. des Enfants, 1869, 

 p. 42, fig. 



497. Female child having right hand almost exactly like Murray's case, but without 

 syndactylism. The two halves could be folded on each other. The four extra digits 

 articulated with an imperfect metacarpal which was annexed to the normal meta- 

 carpal [of the index]. Fumagalli, C, Annul. Univers. di Med. Milano, 1871, 

 vol. ccxvi. p. 305, fig. 



Girl's right hand having eight fingers, represented in a wax model. Langalli, 

 La scienza e lapratica, Pavia, 1875 [Not seen : abstract from Dwight, I. c.]. 



498. Double-hand III. Six digits in two groups of three and three. 

 Man having abnormalities of left arm as follows (Fig. 95). The 

 left hand was composed of six digits with three phalanges, which 

 were disposed in two groups of three digits in each. The two 

 middle digits were the longest (d 3 and d 4 ), and the length of the 

 digits on either side of them diminished regularly. The appear- 

 ance was as of a hand composed of the middle, ring and little 

 fingers of a pair of hands united together. The two groups of 

 fingers were to some extent opposed to each other and all the 

 digits could be flexed and extended. The digit d s though single 

 in its peripheral parts articulated with two metacarpals, its proxi- 

 mal phalanx having two heads. Upon the radial side of the 



