168. RHAMPHIOPHIS. 145 
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Skull of Rhamphiophis oxnyrhynchus, 
Synopsis of the Species. 
I. Preocular not reaching the frontal. 
Scales in 19 rows on the body; ventrals 230- 
241; subcaudals 154-160; upper portion of 
rostral measuring two thirds its distance from 
the fronual 60.1... eee eee eee eee eee ee 1. rubropunctatus, 
Scales in 17° Y0ws on the body ; “ventrals 148- [p. 146. 
192; subcaudals 90-110; upper portion of 
rostral as long as or a ‘little shorter than 
its distance from the frontal.............. 2. oayrhynchus, 
Scales in 17 rows on the body; ventrals 171- [p. 146. 
182; subcaudals 66-88; upper portion of 
rostral half as long as its distance from the | 
1) Spee yA ve ues | inte ee apaad beattiiy «it 3. togoensis, p. 147. 
II. Preocular forming a suture with the frontal; scales in 17 
rows on the body. 
Ventrals 172-185; subcaudals 59-63 ....... . 4. acutus, p. 148. 
Ventrals 155-168; subcaudals 31-40 ........ 5. multimaculatus, 
: [p. 148. 
VOL. ITI. 
