182 OX THE REPTILIA OF PERU. 



80. Elaps circinalis, Dum. Bibron. 



Four specimens from the valley of Jequetepeque. Of these, one has thirty- 

 one black rings on the body ; two have twenty-nine, and one has twenty-eight. 

 All have the head black as far as the end of the parietals ; the temporal scuta 

 being included in the yellow neck band. Of five specimens from Eastern Costa 

 Rica brought by Mr. Gabb, two have a similar coloration of the head, and in three 

 the yellow collar crosses the occipitals. One has twenty-two black rings on the 

 body, two have thirteen, and two eleven. 



81. Elaps tschudii, Jan. Revue et Magazine de Zoologie 1859; Prodrome d'un Iconographie, 



etc., p. 13. 

 Numerous specimens from the valley of Jequetepeque are very constant in 

 coloration. One of the most beautiful Elapes. 



82. Elaps isozonus, Cope, Proceed. Academy Philada. 1800, p. 73-4. 



83. Elaps lemnisoatus, Linn. 

 Iquitos on the Maranon. 



84. Elaps surinamensis, Cuv. 



The scales of the red intervals tipped with black. Two specimens from Iquitos 

 on the Maranon. 



SOLENOGLYPHA. 



85. Bothrops brasiliensis, Latreille. 



The Maranon near the mouth of the Napo. 



86. Bothrops microphthalmos, Cope, sp. nov. 



The maxillary fossette bounded in front by small scales, and below by two 

 narrow scales. The superior labials number seven, of which the first two are 

 small, and the third the largest, equalling the sixth ; the fourth and fifth are 

 shorter, and as high as long. The seventh is as long as the sixth, but lower. The 

 fourth labial immediately under the pupil of the eye, and separated from it by two 

 scales. Large and slightly keeled scales bound the labials above behind the eye. 

 Nasals distinct, each higher than long, separated from the eye by a long preocular 

 and a smaller loreal. Rostral plate rectangular, one-fourth higher than wide at 

 the middle. Muzzle short, canthus rostralis bordered above by two scuta, and a 

 scale next the superciliary plate, the scuta remarkably wide, the posterior pair 

 separated by three large smooth scales on the summit of the muzzle. Superciliary 

 shields three-fifths as wide as long, separated at the middle by two smooth scuta ; 



