-74 



smaller below it, on the middle of the distal outer margin ; there is a strong- spine on the 

 lower outer angle of the distal margin of the carpus, a smaller one at the upper outer angle 

 and a third, as small as the latter, at the lower inner angle. Propodus in the larger female 

 3,2 mm. long, almost half as long as the carapace, rostrum included, and 3,3 — 3,4-times as 

 long as broad in the middle. 



Peraeopods of the 2 nd pair (Fig. 64/) very short, reaching to the middle of the merus 

 of the anterior legs; of the larger female the merus is 1,06 mm. long and 8,4-times as long 

 as broad in the middle; carpus 0,45 mm. long, almost half as long as the merus, nearly 

 4-times as long as broad at the distal extremity, of a more slender form than in the female 

 from Stat. 297; palm just as long as the carpus and 3-times as long as broad at the articulation 

 of the dactylus; fingers widely gaping, slightly longer than the palm, though resembling for the 

 rest those of the female from Stat. 297. Following legs and pleopods like in this female. 



Eggs very numerous, 0,5 mm. long, a little shorter and thicker than in the female 

 from Stat. 297. 



It is for the present impossible to decide vvhether the slight differences between the 

 females from Stat. 89 and the female from Stat. 297 must be attributed to the former being 

 quite full-grown, the latter not yet or to the former belonging to a distinct variety or species. 

 As regards the Hawaiian type, the chief difference is presented by the antennal peduncle 

 reaching only to the middle of second antennular article, but, like the more elongate shape of 

 carapace and scaphocerite, also this difference may perhaps be owing to the young age of 

 Miss Rathbun's specimen, of which the carapace and rostrum were only 5,3 mm., the abdomen, 

 telson excluded, 10,5 mm. long. The examination of a larger number of specimens both from 

 the Hawaiian Islands and the Indian Archipelago shall be necessary to elucidate and decide 

 these questions. 



General distribution: Hawaiian Islands (Rathbun). 



3. Pontophilus modestus de Man. PI. XXII, Fig. 65 — 65J. 



Pontcpliilus modestus j. G. de Man, in: Zoologische Mededeelingen, uitgegeven vanwege 's Rijks 

 Museum van Natuurlijke Historie te Leiden. 191S, Deel IV, Afl. 3, p. 162. 



Stat. 253. Dec. 10. 5°48'.2 S., I32°I3'E. West of Kei-islands. 30401. Bottom grey clay, hard 

 and crumbly. 2 specimens. 



This species belongs to that Section, in which the abdomen is smooth and the carapace 

 has only one spine in the middle line; the nearest allied forms are apparently Pont. trispinosus 

 Hailstone, Pont. candidus Kemp (especially the male) and Pont. plebs Kemp. 



The two specimens that are of unequal size, do not agree in all details with one another, 

 so that the larger shall be described as the type. This specimen is 21,35 mm., long, measured 

 in the middle line, the carapace being 5,2 mm. long, the abdomen 16,15 mrn - Carapace and 

 abdomen smooth. The carapace (Fig. 65, 65^), which is 1,6-times as long as broad, the rostrum 

 included, shows its greatest width at the level of the hepatic spines. The rostrum (Fig. 65^), 

 measured to the level of the orbital margins, proves to be 0,6 mm. long, i. e. one-eighth 



