170 TESTUDINIDA. 
SJ. Her., skel. —? 
g- Yg., shell. =< Dr. J. E. Gray [P.]. 
h. 3, carapace. —— 
a. Ad., skull. —? (Type of 7. planiceps.) 
4, Testudo nigra. 
Testudo nigra, Quoy § Gaim. Voy. Uranie et Physic., Zool. p. 172, 
pl. xl. (1824); Dum. & Bibr. ii. p. 115 (1835); Wregm. N. Acta 
Leop.-Carol, xvii. p. 188, pl. xiii. (1835); Strauch, Chelon. Stud. 
p. 85 (1862). 
ealiforniana, Quoy § Gaim. Bull. Sc. Nat. i. p. 90, pl. xi. 
(1824). 
elephantopus, Harlan, Journ. Ac. Philad. v. p. 284 (1827); 
Giinth. Phil. Trans. clxv. p. 261 (1875), and Gig. Land-Tort. 
p. 63, pls. xxx., xlii—xliv., xlvi., lili. (1877). 
indica, part., Gray, Syn. Rept. p. 9 (1831). 
Shell thin, about twice as long as deep, with the upper anterior 
profile subhorizontal in the male; shields concentrically striated, 
but less strongly than in the preceding species. Plastron truncate 
behind. Otherwise as in the preceding. 
Galapagos Islands (5. Albemarle). 
a. Heyr., skel. Galapagos. Capt. E. M. Leeds [P.]. 
25. Testudo vicina. 
Testudo vicina, Giinth. Phil. Trans. clxv. p. 277 (1875), and Gig. 
Land-Tort. p. 73, pls. xlvii. & liv. (1877). 
Intermediate between 7. nigritaand 7. microphyes. Shell rather 
narrow, depressed, with the upper anterior profile subhorizontal in 
the male ; shieldsstriated. Plastron constricted in front and excised 
behind. 
Galapagos Islands (8. Albemarle). 
a. Ad., skull. Iguana Cove, 8. |. Commander Cookson 
Albemarle. [C.]. (irpe 
b. Ad., skel. ae ypes. ) 
ce. Yq., stffd., skull P 
separate. 
26. Testudo microphyes. 
Testudo microphyes, Giinth. Phil. Trans. clxy. p. 275 (1875), and 
Gig. Land-Tort. p. 78, pls. xxxii.-xxxvili., & xli.-xlv. (1877). 
Shell thin, about twice as long as deep, declivous in front in the 
female, narrowed in front and with nearly horizontal profile in the 
male, margin feebly reverted in front and behind; no nuchal ; 
supracaudal undivided; dorsal shields quite smooth in the adult ; 
vertebral shields much broader than long, at least as broad as 
costals. Plastron with broad bridge and short and narrow lobes, 
the hinder of which is truncate in the adult male; median suture 
