of the Fisherij Board for Scotland. 



259 



genus of Coleoptera, its use by me for a genus of Copepoda must therefore 

 apse, and the name I propose to substitute for it is Jecmella, the diminu- 

 ive of the proper name Jean. 



{h) Genus Paranthessius, T. Scott, Twenty-first Report of the FisJiery 

 Board for Scothnd (1903), Pt. III., p. 120. This name has already 

 been used by Professor Claus for a genus of Copepoda different from that 

 described in the Report mentioned, and it must therefore be replaced by 

 another, anri the name I propose to substitute for it is Heteranthessius. 



DESCRIPTION OF THE PLATES. 



PLATE XIII. 



Alonstrilla lonyicoi-nis, 1. C. Thompson. 



Fig. 1. Female, dorsal view 

 Male, dorsal view 

 Antennule, female 

 Fifth pair of thoracic feet, female 

 Abdomen and caudal furca, female 

 Antennule, male 

 Abdomen and caudal furca, male, ventral aspect 



Monstrilla gracilicaiida, Giesbrecht. 



Female, dorsal view .... 

 Antennule, female .... 



Abdomen and caudal furca, female, 



Fig. 

 Fig. 



Fior. 



Fig. 

 Fig. 



Monstrilla grandis, Giesbrecht. 



Female, dorsal view 

 Male, dorsal view 



Monstrilla anglica, Lubbock. 

 Fig. 13. Female, dorsal view .... 



Monstrilla dubia, T. Scott, sp. n. 

 Fig. 14. Female, dorsal view . . . . . , . 



ThaumaleAis rigidus, I. C. Thompson. 



Female, dorsal view 



Antennule, female 



Fifth pair of thoracic feet, female 



Thaumalezis zetlandicus, T. Scott, sp. n. 



Diam. 



Female, dorsal view 

 Male, dorsal view 



X 2L 



X 26. 



X 35. 

 X 130. 

 X 130. 



X 21. 

 X 21. 



PLATE XIV. 



Thanmalevs thompsoni, Giesbrecht. 



Fig. 1. Female, dorsal view 



Fig. 2. Antennule, female 



Fig. 3. Fifth pair of thoracic feet, female 



Fig. 4. Abdomen and caudal furca, female 



X 20-5. 

 X 79. 

 X 79. 

 X 97. 



