NO, 9 MARINE INVERTEBRATES, ALASKA — MacGINITIE IO7 



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

 1948, September ig4g-July 1950 — continued 



3-29-50 Circular iridescent type, few 



4- 8-50 Circular iridescent type, R; c 



4-24-50 I circular; i circular iridescent; i chain type (sm., elongate) 



5- 2-50 

 5- 9-50 

 5-17-50 



Circular iridescent type, few 



Circular iridescent type, R; chain type (sev. kinds), A 

 I circular; i circular iridescent; i chain type (sm., elongate; 

 Chain type, A ; circular iridescent, C ; spiny type, 8 

 Circular iridescent type, 7 ; chain type, 3 ; 2d chain type, i 

 Circular iridescent type, 2 ; spiny type, 2 ; chain type, i ; 2d chain 

 type, C 



5-23-50 Circular iridescent, 4 ; spiny type, 2 ; chain type, 6 ; 2d chain type, C. 



6- 6-50 Chain type, AA 



6-20-50 Chain type (sev. kinds), A 



6-23-50 Chain type, C 



6-27-50 Chain type, C-R 



6-30-50 Chain type, few 



7-13-50 Circular iridescent, C 



COELENTERATES 



8- 6-48 5 Rathkea octopunctata, budding; medusae of Obelia, C 



8- 9-48 Aglantha in all sizes ; i medusa of Obelia; i Rathkea, budding 

 8-12-48 I sm. Cyanea; i sm. Aurelia 



8-16-48 Ephyra of Cyanea 



9- 4-48 Medusae of Obelia, C 



9- 9-49 Yg. Aglantha, few 



1-21-50 None 



1-25-50 Aglantha, C 



1-27-50 



2-10-50 None 



2-25-50 



2-28-50 



3- 8-50 I sm. Aglantha 

 3-14-50 None 

 3-23-50 



3-29-50 Aglantha, C (i with developing gonads) 



4- 8-50 10 Aglantha (with developing gonads) 

 4-15-50 I sm. medusa 



4-24-50 2 Aglantha; i hydromedusa 



5- 2-50 7 Aglantha 



5- 9-50 Aglantha, C 



5-17-50 3 Aglantha (gonads developing) 



S-23-50 None 



5.30-50 I Aglantha; i hydromedusa 



6- 6-50 None 

 6- 9-50 " 

 6-16-50 



6-20-50 Sev. Aglantha 



6-23-50 Aglantha, C 



6-30-50 I Aglantha 



7-13.50 13 Aglantha; i ephyra; i Rathkea octopunctata (with buds) 



