302 BATRACHIA CAUDATA. 
10. Spelerpes variegatus. (Tab. LX XV.) 
Salamandra variegata, Gray, in Griffith’s Anim. Kingd. ix. p. 107. 
(Edipus variegatus, Gray, Batr. Grad. p. 48; Cope, Bull. U. 8. Nat. Mus. no. 82, p. 8. 
Spelerpes variegatus, Strauch, Salam. p. 84; Bouleng. Batr. Grad. p. 73. 
Bolitoglossa mexicana, var., Dum. et Bibr. Erpét. Gén. t. 104. fig. 1. 
Spelerpes mexicanum, Brocchi, Miss. Sc. Mex., Batr. p. 113, t. 18 bis. figg. 1-4. 
Geotriton carbonarius, Cope, Proc. Ac. N. Sc. Philad. 1860, p. 878. 
(Edipus carbonarius, Cope, 1. c. 1869, p. 103; Proc. Am. Phil. Soc. xviii. p. 267 (1879). 
CEdipus salvinii, Gray, Ann. & Mag. N. H. 1868, i. p. 297. 
Spelerpes salvini, Brocchi, l.c. p. 117, t. 18. figg. 3-4. 
Spelerpes sp., Miiller, Verh. naturf. Ges. Basel, 1878, p. 645, t. 3. figg. C& D; 1888, p. 298 
(S. salvinz). 
Spelerpes miilleri, Brocchi, ].c. p. 116, t. 20. figg. 3-5. 
Spelerpes punctatum, Brocchi, l.c. p. 115. 
Spelerpes attitlanensis, Brocchi, l. c. p. 115, t. 19. figg. 3-4. 
Hab. Mexico, city of Mexico (Doorman), Jalapa (Hoge, Trujillo), Orizaba and 'Tehu- 
antepec (Swmichrast); British Honpuras (Wickham); GuATEMALA, Pacific coast 
(Salvin), Atitlan and Alta Vera Paz (Bocourt); Costa Rica, San Carlos * (Under- 
wood). 
Body rather slender, with 12 or 13 costal grooves; the length of the head to the gular 
fold is two-sevenths or less of the distance of the latter from the vent; head longer than 
wide ; limbs weak ; digits very short, enveloped in a broad web; tail cylindrical. Series 
of palatine teeth extending outwards beyond the choane, separated from the para- 
sphenoid teeth, which form one undivided group. Black below and on the sides; back 
buff-coloured, the two colours sharply defined; an elongate triangular or subtriangular 
black spot occupies almost invariably the crown of the head and nape of the neck, and 
is more or less produced behind. The buff-coloured dorsal portion is either uniform 
or, more commonly, black-spotted, the spots being irregular as regards number, shape, 
size, or distribution: they may be large and few in number (as in var. salvinii, fig. D), 
or confluent and covering nearly the whole back (Pacific coast, fig. B), or confluent 
into two longitudinal bands (British Honduras, fig. A), or confluent into a median 
band with lateral transverse branches (fig. C). In the latter variety the black lateral 
and lower parts are finely marbled with whitish. 
The variations of colour are extremely diversified, and do not seem to be connected 
with special localities. The illustrations given here represent only some of the most 
striking aberrations from the typical form. 
11. Spelerpes lignicolor. 
Spelerpes (Cidipus) lignicolor, Peters, MB. Akad. Wiss. Berlin, 1873, p. 16. 
Hab. Panama, Chiriqui (Champion). 
* A specimen from this locality, named Spelerpes morio, is in the Nat. Hist. Mus. 
