An. das Mem. do Instituto de Butantan — Vol. I- fasc. 1 (Ofiologia) 59 
A. borellii PERACCA (10) and A. longicaudata GOMES (1) which are 
uniform with the first mentioned in having the 5th. and 6th. 
upper labials in contact with the parietal and the symphysial 
separated from the anterior chin-shields: Ist. by the size of the 
rostral, the portion of which visible irom above being nearly 
twice as long as its distance from the frontal; 2nd. by a greater 
number of dorsal scales (17 rows). 
Ji 
Elaps fischeri n. sp. 
(Plate II; figs. 1-5) 
Number of specimens — 1. 
Type description — Adult &. Eye about 2/3 of its distance 
from the oral margin. Rostral a little deeper than broad (3,5 :3), 
the portion visible from above half as long as its distance from 
the frontal. Internasals twice as broad as long. Pree-frontals about 
1/3 broader than long and twice as long as the internasals; pre- 
frontals suture about thrice as long as that of the internasals. 
Frontal a little longer thau broad (3,75 : 3,25), hexagonal shape, 
and a little longer than its distance from the end of the snout; 
over twice as broad as the supraocular (3,25 : 1,5); a little shorter 
than the parietals (3,75 : 4,5) which are à little longer than their 
distance from the internasals (4,5 : 4,25). Prae-ocular 1, contiguous 
to the posterior nasal. Postoculars 2. superior much larger. Temporals 
1-1, anterior being smaller and of a pentagonal shape. Upper 
labials 7, Ist. in contact with the anterior nasal, 2nd. with the 
anterior and posterior nasals, ard. with the posterior nasal, the 
praeocular and the eye, Ath. with the eve, 5th. with the inferior 
postocular and the anterior temporal; 6th. with the anterior and 
posterior temporals, amd 7h. with the posterior temporal; rd. 
a little larger than the 4h.; “th. well developed. Symphysial im 
close contact with. the anterior chin-shields which are a little 
shorter than the posterior (2:2,75); 7 lower labials, 4 in contact 
with the anterior chin-shields, 4h. much larger. Scales im 15 rows, 
Ventral 210. Anal divided. Subcaudals 20 pairs. 
Reddish body with 17 sets of black rings disposed in threes, 
the middle one generally a little broader, covering from 4 to 
5 1/, scales and separeted from the marginal rings, which im center 
of the body occupy from 3 to 5 scales, by uniform whitish vellow 
rings which occupy from, 1 tj, to 21/, scales; interspaces covering 
trom 7 to 15 scales, of a reddish color dotted with black. Head 
whitish yellow with a black spot on snout, with covers the 
rostral, internasals, all the extension of the anterior nasals and 
the anterior half of the first lower labial; a black band passing 
(10) M. G. Peracoa — “Viaggio del Dr. A. Borelli nel Matto Grosso brasiliano € nel Paraguay, 1899”; 
in Bollet. dei Musei di Zool. ed Anat. comp. della R. Univ. di Torino, n. 460, Vol XIX, 1904, pp. 9-10. 
(11) Arrâxio AmaraL — Um trabalho inédito de J. Florêncio Gomes: “Duas novas espécies de 
Colubrídeos opistóglifos brasileiros (Philodryas oligolepis Gomes e Apostolepis longicaudata Gomes)” — 
Comunicação à Soc. de Med. e Cirurgia de S. Paulo, sessão de 15-7- 1921. 
