56 
Euchirella galeata has a similar distribution to Euchzrella curtecauda, and has been 
obtained from the deep water of the Farde Channel. . 
5. Euchirella messtnensis (Claus). 
Undina messinensis Claus, 1863, p. 187, pl. XXXI. 
Euchirella 
Euchirella 
Euchirella 
Euchirella 
Euchirella 
Euchirella 
Euchirella 
Euchirella 
Euchirella 
MeSSINENSIS 
meSSIMENSIS 
MeSSINENSLS 
messimensts 
MEeSSINENSLS 
MmeSSIMNENSIS 
MeSSINENSIS 
MeSSIMENSIS 
Giesbrecht, 1893, p. 232, pls. 15 & 36. 
Canu, 1896, p. 424. 
Giesbrecht & Schmeil, 1898, p. 35. 
Giesbrecht, 1903, p. 201. 
Thompson & Scott, 1903, p. 244. 
Cleve, 1904, p. 190. 
Sars, 1905(a@), p. 4. 
Esterly, 1905, ps ils ly lloee hoe 
= 
messinensis Farran, 1908, p. 37. 
Nine females and six males of this Auchzrel/a were found in plankton collected at the 
following stations. 
Stat. 118 (HENSEN vertical net 900 metres to surface), I specimen. — Stat. 133, I specimen. — 
Stat. 141 (HENSEN vertical net 1500 metres to surface), 2 specimens. — Stat. 143 (HENSEN 
vertical net 1000 metres to surface), 2 specimens. — Stat. 185 (HENSEN vertical net 1536 
metres to surface), 2 specimens. — Stat. 203 (HENSEN vertical net 1500 metres to surface), 
3 specimens. — Stat. 243 (HENSEN vertical net 1000 metres to surface), 3 specimens. — 
Stat. 276. — (HENSEN vertical net 750 metres to surface), 1 specimen. 
The females of this species have a rostrum but no-crest. The genital segment is asym- 
metrical, and has a peculiar sack-like projection on the dorsal surface. The inner margin of 
the first joint of the basiopodite of the fourth pair of feet is furnished with one or two teeth. 
Etuchtrella messinensts has been recorded from the Mediterranean, North Atlantic and 
Pacific Oceans. 
6. Euchirella pulchra (Lubbock). 
Undina pulchra Lubbock, 1856, pp. 2 & 20, pls. IV & VII. 
Euchaeta pulchra Brady, 1883, (pars) p. 63, pl. XX. 
Euchirella pulchra Giesbrecht, 1893, p. 233, pls. 15 & 36. 
Euchaeta pulchra VY. Scott, 1893, p. 57. 
Euchirella pulchra Giesbrecht & Schmeil, 1898, p. 36 
Euchirella pulchra \. C. Thompson, 1903, p. 17. 
Euchirella pulchra Sars, 1905(a@), p. 4. 
Euchirella pulchra Esterly, 1905, p. 153, fig. 20. 
Euchirella pulchra van Breemen, 1908, p. 47, fig. 53. 
This Auchtrella was represented by twenty-eight females, and nine males, obtained from 
the plankton collected at the following stations. 
Stat. 117°, I specimen. — Stat. 118 (HENSEN vertical net 900 metres to surface), 4 speci- 
mens. — Stat. 141 (HENSEN vertical net 1500 metres to surface), 4 specimens. — Stat. 142, 
5 specimens. — Stat. 143 (HENSEN vertical net 1000 metres to surface), 4 specimens. — 
Stat. 185 (HENSEN vertical net 1536 metres to surface), 2 specimens. — Stat. 203 (HENSEN 
vertical net 1500 metres to surface), 6 specimens. — Stat. 243 (HENSEN vertical net 1000 
metres to surface), 4 specimens. — Stat. 276 (HENSEN vertical net 750 metres to surface), 
2 specimens. 
56 
