24. Bulletin American Museum of Natural History [Vol. LIII 
Desmocaris trispinosus SOLLAUD, 1911, Compt. Rend. Acad. Sci., Paris, CLIT, 
p. 918. Dr Man, 1912, Ann. Soc. Roy. Zool. Malacol. Belgique, XLVI, (1911), 
pp. 197, 202. , 
From de Man: rivers of the Gold Coast (Sollaud); in brook at Kitta, Cameroon 
(Aurivillius); Brazzaville, French Congo (Sollaud); Ottenge River near Banzyville 
(de Man). 
Stanleyville, April 1915, 12 (ovigerous). 
MasurReMENTS.—Length over all, rostrum to end of telson, about 
28 mm.; the same size as the type and having like it six teeth on the 
dorsal margin of the rostrum, but below only one instead of the typical 
two. The rostrum exceeds the antennal peduncle by one-fourth the 
length of the free portion, reaching one-third the distance between the 
end of the antennular peduncle and the end of the antennal scale. 
PaL@MmMon Fabricius 
Palemon Fasrictus, 1798, ‘Entom. Syst. Suppl.,’ p. 402. 
Palemon squilla (Linnzeus) 
Text Figure 64 
Cancer squilla Linnamus, 1758, ‘Syst. Nature,’ 10th Ed., I, p. 632. 
Leander squilla pp Man, 1915, Tijds. Ned. Dierk. Vereen. (2) set y.p. 120, Pl. 
x, figs. 1—1n, and varieties, pp. 127, 138, Pls. x, figs. lo-lv, x1, Gad. 1lw-1z', and syn- 
onymy. Bards 1916, ‘ Beitr. eanimis Meeresfauna Wiesateilcas’ IT, p. 24. 
The species, including its varieties, ranges from Norway and Sweden southward 
along the European coast, British and Irish waters, throughout the Méditerranean © 
and Black Sea, Azores, Madeira, Canaries and Cape Verde Islands (de Man). Balss 
(loc. cit.) has recorded it on the West African coast from Portuguese Guinea, Cameroon, 
and the French Congo to (former German) Southwest Africa. The correctness of 
the determination of Stebbing’s South African record is held doubtful by de Man 
(loc. cit., p. 139). 
Tig. 64. Palemon squilla( Linnzeus), from St. Paul de Loanda. Ovigerous female. 
A, mandible, X 16.5; B, right leg of second pair, X 7. 
