30 
PACIFIC SCIENCE, VoL IX, January, 1955 
Telson simple, linguiform, apex rounded, 
armed with several groups of setules. 
Pleon segment 3 with posterior edge of 
epimera straight, posteroventral corner quad- 
rate. 
female: Two specimens possibly carrying 
2 to 3 shrunken embryos each were dissected. 
No brood plates were evident and no sexual 
differences were observed. 
holotype: AHF No. 531, male 5 mm. in 
length. 
TYPE LOCALITY: Ellis Boat Landing, New- 
port Harbor, California (on the south side of 
United States Highway 101A bridge crossing 
the channel leading to upper Newport Bay), 
November 29, 1953, from a formalin washing 
of sponges attached to floating dock, col- 
lected by R. H. Linsley, 7 specimens examined. 
MATERIAL examined: Ellis Boat Landing, 
July 27, 1951, coll. Dr. John L. Mohr, 1 
specimen; dock of Fun Zone Boat Co., Palm 
Avenue at Bay Front Street, Newport Beach 
(on bay side) November 29, 1953, formalin 
washings of sponges, coll. R. H. Linsley, 2 
specimens. 
remarks: This species differs from Anam- 
ixis hanseni Stebbing (1897), described from 
the West Indies, by the stouter sixth article 
of gnathopod 2 and a different configuration 
of the palmar teeth. The coxa of gnathopod 
2 is narrower (as measured from front to back) 
and article 7 is more slender than in A. 
hanseni. The apex of article 5 of gnathopod 
1 is blunt and not tipped with a spine as in 
Stebbing’s species. 
A. linsleyi differs from Anamixis stehhingi 
Walker (1904), described from Ceylon, by the 
shape of the second coxa, by the presence of 
cusps on the palm of gnathopod 2, and by 
the lack of diverging ridges on the second 
article of peraeopod 5. 
The writer agrees with Stebbing (1897) that 
the structure of gnathopod 1 is homologous 
to that found in the genus Leucothoe; Walker 
(1904) stated that article 4 (the third article 
under his system of numbering) was obsolete. 
His species of Anamixis lacked the spine-like 
finger on article 6, thus leading to his state- 
ments: 
REFERENCES 
Arndt, W. 1933. Bie biologischen Bezie- 
hungen zwischen Schwammen und Kreb- 
sen. Berlin Zool. Mas., Mitt. 19: 221-305. 
Shoemaker, C. R. 1933. Two new genera 
and six new species of Amphipoda from 
Tortugas. Pap. Carnegie Inst. Wash., Tor- 
tugas Lab., Papers 28 (Pub. 435): 245-256, 
8 text-figs. 
Stebbing, T. R. R. 1897. Amphipoda from 
the Copenhagen Museum and other sources . 
Linn. Soc. London, Trans. (2) Zool. 7: 25-45. 
pis. 6-14. 
Walker, A. O. 1904. Report on the Amphi- 
poda collected by Professor Herdman, at 
Ceylon, in 1902. Report to the Government of 
Ceylon on the Pearl Oyster Fisheries. . . . Sup. 
Rept. 17: 229-300, 8 pis. 
