478 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 117 



158-159-D-5, wash from algae growing in sand, lagoon shelf north of center of 

 Ella Islet, depth 2 fathoms, Oct. 24. 



Elasmopus pseudaffinis, 1; Leucothoides poltsi, 1; Microdeuiopus tridens, 7 

 160-165- J-5, wash from algae and rocks, about 700 feet west of west shore of 

 Elangalap Islet, depth 25-35 feet, Oct. 25. 



Megamphopus abhotti, new species, 1; Eurystheus pacificus, 1; Lembos 

 lintermedius, 1 ; Leucothoe tridens, 1 ; Leucothoides poltsi, 1 ; Maera in- 

 aequipes, 1 ; Ronco sosa, new genus, new species, 1 

 166-G-3, from shell of Tridacna squamosa, same data as 160-165- J-5. 



Megamphopus abbotti, new species, 6 

 167-D-4, wash from Halimeda, from bottom of ship pass between Falalap and 

 Ella Islets, depth 13-14 feet, Oct. 25. 

 Microdeutopus tridens, 3 

 176-G-4, from turtle grass and Halimeda beds, lagoon shelf off southwest tip of 

 Falarik Islet, barely exposed at low tide, Oct. 27. 

 Lembos intermedins, 3; Microdeutopus tridejis, 4 

 177-G-5, same data as 176-G-4. 



Anamixis stebbingi, 1; Cymadusa filosa, 7; Lembos intermedins, 2; Leu- 

 cothoe micronesiae, new species, 1; Leucothoides pottsi, 2; Microdeutopus 

 tridens, 8 

 179-184-M-l, wash from algae, lagoon shelf beyond turtle grass beds, west of 

 north end of Falalap Islet, depth 3-6 feet, Oct. 27. 



Cymadusa filosa, 11; Lembos intermedins, 3; Leucothoe micronesiae, new 

 species, 2; Maera inaequipes serrata, 3; Microdeutopus tridens, 35 

 192-D-6, wash from algae and dead coral, patch reef off Katelu area of southwest 

 Falarik Islet, about 30 feet from lagoon shore, depth 1-3 feet, Oct. 29. 

 Cymadusa filosa, 1 ; Microdeutopus tridens, 2 

 194-E-2, plankton haul, surface of open lagoon, 2100-2300 hours, Oct. 10. 



Synopia variabilis, 2 

 197-198-F-l, wash from rocks bearing Cladophoropsis, reef east of the east end 

 of channel separating Falarik and Falalap Islets, intertidal, Oct. 31. 

 Eurystheus pacificus, 1; Parhyale hawaiensis, 25 

 208-C-7, wash from algae, from spurs and grooves, southwest reef between 

 Ella and Elangalap Islets, depth 4-20 feet, Sept. 30. 

 Podocerxis talegus, new species, 7 

 209-F-4, wash from algae dredged from large sandy knoll covered with Halimeda, 

 depth 36 feet, Oct. 3. 

 Colomastix pusilla, 1 



Collected by Dr. F. M. Bayer, Fourth Pacific Atoll Survey Team, 

 Pacific Science Board, 1953 



431, north end of Falarik, crustaceans from clump of Pocillopora on seaward reef 

 edge, Oct. 1. 



Maera insignis, 9; Maera Ipacifica, 1; Podocerus talegus, new species, 1 

 465, sponge and associated invertebrates from lagoon station C, 47.5 feet, Oct. 3. 



Anamixis falarikia, new species, 1; Leucothoides pottsi, 1 

 467, sponge and associates, same data as 465. 



Colomastix pusilla, 9; Leucothoe micronesiae, new species, 8; Leucothoides 



pottsi, 1 

 588, sand samples for foraminifers, seaward reef about middle of second 20 foot 

 interval from reef margin, Falarik, Oct. 16. 



Cymadusa filosa, 1 



