87 



DIPSAS 



DIPSAS INOICA Laurent! 

 ind ica group 



1768 Dipsas indica Laurent!. Synops. Rept.: ')0. Type-local ! ty: "Ceylon"; des!gnated by Peters, 

 M!sc. Publ. Mus. Zool. Un!v. M!ch., 114: 68, as the Amazonian region of South America. 



Distribution: South America north of the Tropic of Capricorn. 



Content: Four subspecies, according to the latest revision by Peters, Misc. Publ. Mus. Zool. Univ. 

 Mich., 114, I56O. 



Key to the subspecies Clave de subespecies 



1. Dorsum of head unicolor light brown, or 1. Cabeza dorsalmente unicolor en pardo claro, 



with three or four dark brown spots on con tres cuatro manchas pardo oscuras 



posterior head shields (frontals, sobre los escudos posteriores (frontal, 



parietals, and occipitals) 2 parietales y occipitales) 2 



Dorsum of head darker brown, strongly vari- Dorso de la cabeza pardo oscuro, fuerte- 



egated with black and yellow or white 3 mente manchado en negro y amarillo 



bianco 3 



2. Spots on posterior head plates absent or 



small, occupying less than one quarter of 2. Manchas de placas posteriores de la cabeza, 



each scale bucephala ausentes pequeRas, ocupando menos de un 



Spots on posterior head plates large, oc- cuarto de cada escama bucephala 



cupying almost entire area of each scale— Manchas de placas posteriores de la cabeza 



cist iceps ocupando casi enteramente la superficie de 



cada escama cist iceps 



3. Occipital region not streaked, may be „ d„-:4„ _•„:! i i- j j 



■" \, J ..^ . . 1 ui 1 1. u ji 3- Region occipital no lineada, aunque puede 



spotted, first dorsal blotch broadly -■ => r ^ , ^ f. 

 J , ' ... ■, , ■ -J- ser punteada, primera mancha dorsal am- 



fused along middorsal line 1 nd ica ,. '. ,.,,,,, 



... : ^ . 1 -1 J- n i 1 — ;; pliamente fusionada al nivel de la linea 



Occipital region longitudinally streaked. 



vertebral j nd ica 



first dorsal blotch separated by light d»„;x„ „^ ;„:i i i- j n -i. j- 1 i 



, , , '^ J • Region occipital lineada long 1 tud inalmente. 



line at vertebrals ecuadorens is . u j 1 j ■ •, 



— = primera mancha dorsal separada a nivel 



vertebral por una 1 fnea clara - ecuadorens is 



D ipsas ind ica i nd ica Laurenti 



I960 Dipsas indica indica — Peters. Misc. Publ. Mus. Zool. Univ. Mich., 114: 67. 



Distribution: Amazon drainage in Brazil, Colombia, British Guiana, Ecuador and Peru. 



D ipsas indica bucephala (Boettger) 



1802 Coluber bucephalus Shaw, Gen. Zool., 3: 42£. Type-locality: Ceylon; restricted by 



Peters, Misc. Publ. Mus. Zool. Univ. Mich., 114: 73, to Brazil. 

 1S60 Dipsas indica bucephala — Peters, Misc. Publ. Mus. Zool. Univ. Mich., 114: 73. 



Distribution: Southeastern Brazil; Misiones, Argentina. 



Dipsas indica c ist iceps (Boettger) 



188S Leptoqnathus ( Oi psadomorus ) cist iceps Boettger, Zeit. Naturwiss., 58; 237. Type- 

 locality: Paraguay. 

 1914 Dipsas cisticeps — Bertoni, Descr. Fis. Econom. Paraguay, 5?: 29. 

 1S60 Dipsas indica cisticeps — Peters, Misc. Publ. Mus. Zool. Univ. Mich., 114: 78. 



Distribution: Bolivia and Paraguay. 



Dipsas ind ica ecuadorensis Peters 



i960 Dipsas indica ecuadorensis Peters, Misc. Publ. Mus. Zool. Univ. Mich., 114: 81. Type- 

 locality: Rfo Solis, Cabeceras del Rfo Bobonaza, 14 km east southeast of Puyo, Pastaza 

 Province, Ecuador. 



Distribution: Amazonian drainage of Ecuador. 



