EXPLANATION OF THE PLATES. 



PLATE I. 

 1. Stenothocheres egregius n. gen., n. sp. 



Figure 



1 a. Female seen from below, X 58; a. antennula, c. antenna, f. maxilla, g. maxilliped, m. first 

 trunk-leg, n. second trunk-leg, p. caudal stylet, r. genital aperture. 



1 b. The same female seen from left side. 



1 c. Male seen from below, X 58; s. frontal thread. 



1 d. Three eggs, X 58. 



1 e. Head of female, X 192; b. olfactory seta of the antennula, c. antenna, e. maxillula, It. sub- 

 median skeleton. 



1 f. First trunk-leg of female seen from the inner side, X 240; i. inner branch. 



1 g. Abdomen and posterior part of the trunk of female seen from below , X 240 ; g. genital 

 aperture, t. caudal stylets, u. trunk-leg of second pair. 



1 li. The same parts as in fig. lg seen from left side, X 240; #. genital aperture, m. its muscles 

 r. receptaculum seminis, u. trunk-leg. 



1 i. Male seen from below, X255; a. antennula, b. its olfactory seta, c. antenna, d. mouth, 

 e. maxillula, f. maxilla, g. maxilliped, m. first trunk-leg, n. second trunk-leg, o. abdomen. 



1 k. The same male seen from left side; e. maxillula. 



1 1. Larva seen from below, X 230; on the right side of the figure the second trunk -leg, on 



the left side the branches of the first trunk-leg are omitted, b. olfactory seta of the anten- 

 nula, e. maxillula, I. pouch, m. first pair of trunk-legs, m\ transverse outstanding list between 

 the legs of the first pair, n. second pair of trunk-legs, ri. transverse list between the legs 

 of the second pair, o. abdomen, p\ long seta of the caudal stylet. 



2. Stenothocheres Sarsii n. sp. 



2 a. Large female seen from below, X 26 ; s. frontal threads. 

 2 b. Male seen from below, X 26. 



2 c. Lump of eggs, X 26. 



2 d. Smaller female seen from below, X 48. 



2 e. The same female seen from left side. 



2 f. Head of female, X 165; antennula? omitted; c. antenna. 



2 g. Antennula of female ; X 170; the olfactory seta partly broken off. 



2 h. Trunk-leg of first pair of female seen from below, X 170; e. exterior branch. 



2 i. Abdomen and posterior part of the trunk of female, X 170; g. genital aperture. 



