448 AMPHISB-ENIDE. 
hundred and thirty-four annuli on the body (206, Dum. & Bibr., 
217 to 233, Strauch), twenty-nine on the tail; an annulus in the 
middle of the body contains thirty-four segments, twenty above and 
fourteen below the lateral lines; the dorsal and lateral segments 
much longer than broad, the two median ventrals about twice 
and a half as broad as long. Lateral line distinct; a slight 
vertebral line. Analsegments eight; prsanal pores eight (to ten]. 
Brownish, a little lighter inferiorly. 
millim 
Length to vent .........0.005 195 
PD ts eich se sexes each irae reich Seeate hteteus 27 
Diameter of body ............ 5:5 
West Africa. 
a. Ad, Calabar. 
22, Amphisbena muelleri. 
arr sp., F. Miiller, Verh. Naturf. Ges. Basel, vi. 1878, p. 704, 
. ll. 2 Ce 
Adintcabene miilleri, Strauch, Mél. Bul. Ac. St. Petersb. xi, p. 889. 
Allied to the preceding; differs in the following points :—Nasal, 
prefrontal and anterior labial united into a single shield; frontal 
small, triangular; no preocular, no supraocular. ‘Two hundred 
and twenty-nine to two hundred and forty annuli on the body, and 
twenty-five to twenty-seven on the tail; an annulus contains twenty- 
four or twenty-six segments, twelve on the dorsal side and ten or 
twelve on the ventral. Six anal segments; twelve preanal pores. 
Length to vent 175 millim., tail 20 millim. 
Gold Coast; Sierra Leone. 
23. Amphisbena leonina. 
Amphisbeena leonina, F. Miller, Verh, Naturf. Ges. Basel, vii. 1885, 
p. 700, pl. ix. figs. a-e. 
Also allied to the two preceding species. Nasal, prefrontal, and 
first and second labials united into a single shield; frontal small, 
triangular, followed by a pair of large postfrontals and a pair of 
occipitals ; no supraocular, no preocular. Two hundred and forty 
annuli on the body, twenty on the tail; an annulus contains twenty- 
four segments, fourteen on the dorsal side, and ten on the ventral ; 
latter, two median rows very broad. Six anal segments; three 
(four?) preanal pores. Brown; lower surface of body whitish. 
millim 
Length to vent .............. 155 
Tail savasa +a aeawawidaw wale 15 
Diameter of body ............ 4 
Tumbo Island, Sierra Leone. 
