712 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxiit. 



EXPLANATION OF PLATES. 



Plaie LVIII. 



Herpetocyinis testudinaria, new species. 



Fig. 1. Sliell from side. X 20. 

 2. Shell from below. X 20. 

 o. .Ulterior border of shell. X 45. 



4. " Lucid spots " of shell. X 45. 



5. Auteuiiula. X 75. 



6. Antenna. X 75. 



7. First foot. X 75. 



8. Second foot. X 75. 



9. Abdominal furca. X 75. 

 10. Tip of furca. X 100. 



Plate LIX. 

 Daplima puJcx (De Geer). 



Fig. 1. Outline of female from side. X 25. 



2. Outline of head of female from side. X 55. 



3. Furca of female. X 55. 



Himocephalus seiriila1u>i (Koch). 



4. Outline of female from side. X 25. 



5. Shell sculpture. X 25. 



Ophnjo.ras gracilis G. O. Sars. 

 G. Antennula of female. X 125. 



Plate LX. 



Ophryo.rvs fn-acilis G. O. Sare. 



Fig. 1. Outline of female from side. X 25. 

 2. Furca of female. X 125. 

 .3. Fourth small claw of furca. X 240. 



4. Second foot of female. X 125. 



Macrotlirix Jiirsuticon}i.s Norman and Brady. 



5. Outline of female from side. X 55. 

 (>, Antennula of female. X 125. 



7. Furca of female. X 90. 



Plate LXI. 



Macrothrix MrHuticornis Norman and Brady. 



Fig. 1. Antenna> of female. X 90. 



Aeantholchcris curvirostris (O. F. Miiller). 



2. Outline of female from side. X 55. 

 ?>. Antennula of female. X 240. 

 4. Auteumi of female. X 55. 



