BRUES: NEW SPECIES OF PERIPATUS. 



315 





gray, almost blackish, with a faint brown-purple cast. Faded speci- 

 mens pass through various stages of yellowish and purplish gray, 

 becoming very pale and showing to the unaided eye very plainly the 

 dark tips of the primary papillae which are so placed as to form 



E 6 



B O 



40 

 38 

 36 

 34 

 32 

 30 

 28 

 26 

 24 

 22 

 20 



27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43. 



Fig. 3a. Fig. 3b. 



Fig. 3a. — Peripatus juliformis Guild, var. swainsonae Ckll., curve showing variation 

 in number of pairs of legs. Fig. 3b. Same for Peripatus jamaicensis Grabh. & 

 Ckll. Solid lines based on present material; dotted line on that examined by 

 Bouvier. 



sinuous or discontinuous longitudinal lines along the back (Plate 2, 

 figs. 1-2). The underside is uniformly paler, with the same slight 

 purplish or pinkish brown tinge seen in much darker shades above. 



In the present collection from Bath a number of specimens of 

 Peripatus jamaicensis Grabh. and Ckll. are included, taken at the 



L 



