SPELERPES. 299 
3, Spelerpes cephalicus. 
Spelerpes cephalicus, Cope, Proc. Ac. N. Se. Philad. 1865, p. 196; 1869, p. 106. 
Hab. N.E. Mexico (Cope). 
A short stout species, with 11 costal grooves ; hind limb stout, fingers and toes flat, 
depressed, slightly webbed, margined, the inner very short. ‘Tail but little compressed, 
rather shorter than body. Series of palatine teeth nearly straight, not in contact, 
externally extending beyond choane, separated from the parasphenoid groups, which 
are not confluent. Black, paler on the sides. Total length 65 millim. (After Cope.) 
4, Spelerpes bellii. 
Spelerpes belli, Gray, Batr. Grad. p. 46; Cope, Proc. Ac. N. Sc. Philad. 1860, p. 372; 1869, p. 105 ; 
Bull. U. S. Nat. Mus. no. 32, p. 8; Bouleng. Batr. Grad. p. 68; Brocchi, Miss. Sc. Mex., 
Batr. p. 110, t. 20bis ; Blatchley, Proc. U. S. Nat. Mus. xvi. p- 37 (1893). 
Cidipus platydactylus, Baird, Journ. Ac. N. Se. Philad. i. p- 2&2 (1847). 
Bolitoglossa mexicana, Dum. et Bibr. Erpét. Gén. ix. p. 93, t. 104. fig. 2. 
Hab. Mexico, city of Mexico (Doorman), Putla (Boucard), Zacualtipan (Bernad), La 
Cumbre de los Arrastrados, Talpa, Mascota, Jalisco (Buller), Guanajuato (Duges), 
Jalapa (Hoge), Orizaba 8000-14,000 feet (Swmichrast, Blatchley), Omilteme 
(H. H. Smith). 
Body moderately elongate, with 12 costal grooves; head as broad as long, snout 
very short ; limbs moderately developed; fingers and toes very short, depressed, 
united by a short web. Tail cylindrical. Series of palatine teeth slightly arched, 
extending outwards beyond the choanee, separated from the parasphenoid groups, 
which are divided by a longitudinal groove and divergent behind. Black, back with 
two series of large, symmetrical, yellow spots; the spots of the two series may be 
confluent into chevrons or may be absent altogether. 
3. Q. 
Totallength . . . 2. . . . .).).) . 220 millim. 256 millim. 
Length of tal . 2. . 2. 2. 1 ww 1. 12 =, 136. ,, 
5. Spelerpes leprosus. | 
Spelerpes leprosus, Cope, Proc. Ac. N. Sc. Philad. 1869, p. 105; Bouleng. Batr. Grad. p- 68; 
Brocchi, Miss. Sc. Mex., Batr. p. 109, t. 19. figg. 1-2. 
Hab. Mexico, alpine region of Vera Cruz (Sallé, Sumichrast, Dugeés), Salapa (Hoge, 
Godman), Popocatepetl, 9000 feet, in pine-forest (Godman). | 
Body moderately elongate, with 12 or 13 costal grooves; head longer than wide ; 
limbs rather weak ; fingers and toes short, depressed, with a short web, the inner very 
short. ‘Tail cylindrical, about half the total length. Series of palatine teeth slightly 
