l93 



Figui-e 



4 c. Pretty large pupa seen from below, X 70. 

 4 d. Small pupa seen from right side, X 70. 



4 e. Anterior part with the thread of the pupa shown in fig. 4 d, X 285. 



5. Sphaeronella vestita n. sp. 



5 a. Female, with a spermatophore, X 100. The hair-covering of the trunk is only indicated on 



its anterior part, but with the exception of the outline on the left .'^ide of the figure, only 

 the bases of the hairs, the "scales", are drawn. 



5 b. Genital area and its surroundings of female, X25I; r. receptacula seminis, indicated by 



dotted hnes. 



6. Sphasronella chinensis n. sp. 



6 a. Female, X 38. 



6 b. Male, X 38. 

 6 c. Pretty young pupa, X 38. 

 6 d. Old pupa, X 38. The hair-covering omitted. 

 6 e. The pupa shown in fig. Oc seen from below, X 148. 



6 f. The pupa shown in fig. d seen from below, X 114. Appendages, mouth and genital 

 apertures of the young female are seen through the skin of the pupa. 



PLATE III. 



1. Sphaeronella chinensis n. sp. (continued). 

 1 a. Male seen from below, X 198. 

 1 b. The same male seen from left side. 



1 c. Antennula of female seen from below, X 284. 



2. Sphaeronella antillensis n. sp. 



2 a. Young female, having thrown off the anterior third part of the skin of the pupa, X 48. 

 2 b. Ovisac, X 48. 



2 c. The young female shown in fig. 2 a, X 188; c. antenna. 



2 d. Genital area and its surroundings of female, X 294. On the right side of the figure the 



receptaculum seminis is indicated by a dotted line, and a spermatophore attached to its 



orifice. 

 2 e. Larva seen from below, X 316. Of the natatory legs only the base of the peduncles is 



drawn. 



2 f. Pupa seen from below, X 119. 



3. Sphaeronella Calliopii n. sp. 



3 a. Female, X 12. 

 3 b. Male, X 12. 



3 c. Ovisac, X 12. 



3 d. Head of female, X 83. The hairs on the lateral borders and on the sub-median skeleton 



drawn only on the left side of the figure. 

 3 e. Distal part of the left maxilla of female seen from below, >; KWi. 

 3 f. Left maxilliped of female seen from below, X 166. 



25 



