108 BULLETIN 17 7, UNITED STATES NATIONAL MUSEUM 



scales of sides of neck enlarged, passing on the shoulders into the 

 very large tectiform dorsals about six of which equal the distance of 

 tip of snout from centre of eye; a prominent middorsal granular zone; 

 mental larger than rostral, followed by many slightly enlarged scales; 

 gular scales very small juxtaposed; scales of chest and belly larger, 

 rounded, slightly imbricate, smooth; scales of limb enlarged, over- 

 lapping, smooth or very feebly keeled; tail with scales small and 

 irregular; enlarged inferiorly. 



^^ Colour: — Male uniform metallic ii'on-gray, with no markings. 

 Females conspicuously streaked on head with light longitudinal mark- 

 ings and decorated on the body with irregular dark cross-bars which 

 include transverse series of white spots. The ground-colour is reddish 

 often flecked with small spots of darker and lighter. 



^^ Dimensions: — Adult male M.C.Z. 3,341. Tip of snout to vent, 

 34 mm.; vent to tip of tail, 39 mm.; greatest width of head, 6.2 mm.; 

 tip of snout to ear, 9.5 mm.; foreleg, 10 mm.; hindleg, 13 mm. 



^'Remarks: — Like its close allies, cojpei is rare in collections. Dr. 

 Weinland took the four cotypes, a male and three females at Grand 

 Anse River. In 1913 Dr. W. M. Mann brought a small series back 

 from Diquini, taken while collecting ants." 



Variations. — There is some variation in the size of the dorsal gran- 

 ules. In an example from J^r^mie five dorsals are contained in the 

 standard distance between center of eye and tip of snout, while in 

 two smaller examples from Diquini Cave, nine dorsals are found. 



The largest, a male from Diquini Cave, reaches a length of 39 mm. 

 from snout to vent, with a tail 36 mm. long. This particular indi- 

 vidual has seven dorsal scales in the standard distance. 



The coloration of both sexes is quite constant, and the present 

 series of 14 examples agrees with Barbour's description and figure. 



Relationships. — As Dr. Barbour has already pointed out in his 

 "Herpetology of Cuba" (p. 128), Sphaerodadylus copei is closely related 

 to the Cuban scaber. It seems likewise to be related to becki from 

 Navassa Island but has stronger keels on the large dorsals, according 

 to Dr. Barbour's notes on the type of becki. 



Specimens examined. — As listed in table 20. 



