102 OPHIDIA. 
y. Var. drozti, collaris. 
Hab. Mexico, Jalapa (Hoge); Guaremata, Yzabal (Salvin); Honpuras (Mus. Brit.) ; 
Nicaracua, Chontales (Mus. Brit.). 
Lower parts uniform whitish; upper parts reddish, without spots; head and neck 
black, with a white collar. Ventrals 144-149. 
6. Var. dorsalis. 
Hab. Mexico (H. Finck) ; Brrrisa Honpuras (Colonial Exhibition), Belize (Bocourt). 
Lower parts uniform whitish ; upper parts reddish, with a few small irregular black 
spots on the anterior part of the back; head and neck black, with a white collar. 
Ventrals 138-143. 
e. Var. punctulatus. 
Hab. Guatemata, Pacific coast (Salvin). 
Like var. 8, but the spots extend all over the back. Ventrals 138. 
g. Var. sebe, fasciatus. 
Hab. Mexico (Sallé), Teapa in Tabasco (H. H. Smith); Guatemata (Salvin); Brivisu 
Honpuras (Mus. Brit. & Salvin), Belize (Mus. Brit.). 
Lower parts uniform white; head and neck black, with white collar. The spots on 
the upper parts of the body are transverse, narrow, generally forming anteriorly 
complete cross-bars, but the majority are broken in the median line of the back, the 
right half not corresponding in position to the left. Ventrals 135-100. 
n. Var. 
Hab. Mexico, Teapa in Tabasco (H. H. Smith). 
Like var. , but with the anterior black cross-bars as broad as the interspaces 
between them. 
6. Var. maculatus. 
Hab. Nicaracua, Chontales (Mus. Brit.); Costa Rica, Irazu (Rogers), Cartago (Mus. 
Brit.). | 
Lower parts with small square black spots, generally irregularly arranged, but some- 
times crowding together towards the median line of the abdomen, and forming a dark 
band. Upper parts with or without black transverse spots. ‘he light collar generally 
indistinct. Ventrals 142-147. | 
2. Streptophorus diadematus. 
Ninia diademata, Baird & Girard, Cat. Serp. N. Amer. 1853, p. 468, and in Pac. R. R. Exped., 
Rept. t. 27. fig. 37. 
