I08 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL, I28 



Table 7. — Gross analysis of plankton. Point Barrozv, Alaska, August-September 

 1948, September 1949- July ig^o — continued 



CTENOPHORES 



8- 2-48 Yg. ; adult Mertensia 



8- 5-48 Larval forms ; various sizes of Mertensia 



8- 9-48 Egg ; cydippid yg. in various sizes 

 8-12-48 Larval cydippids 



8-30-48 



9- 4-48 Sm. Mertensia; Ig. cydippid larvae 



9- 9-49 Larvae of cydippids, R 



9-10-49 None 



9-13-49 



9-30-49 Cydippid larvae, C; 2 Beroe 



10-24-49 None 

 10-31-49 

 II- 1-49 " 



1 1 - 1 0-49 Fragments 



1-21-50 None 



1-25-50 6 sm. ; fevi? fragments 



1-27-50 None 



2-10-50 " 



2-25-50 Larvae, R 



2-28-50 " " 



3- 8-50 5 larvae 

 3-14-50 6 " 



3-23-50 3 eggs; few cydippid larvae 



3-29-50 Larval forms, C 



4- 8-50 Larvae of Beroe, few 

 4-15-50 I larva of Beroe 

 4-24-50 I cydippid larva 



5- 2-50 Fragments 

 5- 9-50 None 



5-17-50 4 larval Beroe, 2 adults; 2 cydippid larvae 



5-23-50 6 " 



5-30-50 14 " 



6-16-50 Yg. Mertensia, 5 cm., C 



ANNELIDS— POLYCHAETES 



8- 2-48 Larval forms ; trochophore larvae ; larva of Poly dor a (probably caiil- 

 leryi) 



8- 9-48 Yg. larval worms, A; trochophore larvae, A 

 8-30-48 Larval forms 



9- 4-48 Larval forms (a few trochophores metamorphosed in finger bowls be- 



tween 9-4-48 and 9-12-48 so that larval polynoids were recognizable) 



9- 9-49 Larval forms, few 



9-10-49 Larval forms, C; trochophores, C 



9-13-49 Larval forms, C 



9-30-49 Larva of spionid (2.5 mm.) 



10-24-49 Larval forms, C 



