176 



MISS JOAN B. PROCTER ON THE 



and alternating spots (text-fig. 4, c). Group A can only be 

 distinguished from B by the fact that these spots are more square 

 than those of the latter. In this type the ground-colour is not 

 usually darker at A, as is the case in the preceding types. 



Text-figure 5. 



^fMiiaiCTjMlSIWiS'.-ii 



Further development of this type is shown on. a specimen from 

 St. Lucia (Cat. p. 536, spec. v). On this snake both the dorso- 

 lateral and lateral series are absent, or but faintly marked, the 

 markings thus consisting of two squarish spots — A 1, 1 — followed 

 by one roundish spot— B 1 — all of which ai^e for' the most part 

 confluent with those of the opposite side. 



