70 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 3 



Tropical 



1. Rhizosolenia acuminata (Perag.) Gran (and substropical) (Fig. 20) 

 *2. calcar avis Schultze (perhaps neritic) (Fig. 17) 



NERITIC 



Arctic 



1. Biddulphia aurita (Lyng.) Breb. and God. (also littoral) (Fig. 37) 



Temperate 



Northerly 



*1. Chaetoceros approxiraatus Gran and Angst 

 X2. compressus Laud. (Fig. 25) 



3. concavicornis Mang. (or oceanic arctic) (Fig. 23) 



t4. constrictus Gran (Fig. 27) 



4:5. debilis CI. (Fig. 31) 



t6. radicans Schiitt (Fig. 32) 



tl. socialis Laud. (Fig. 33) 



8. subsecundus (Grun.) Hust. 



9. Lauderia borealis Gran (Fig. 8) 

 *10. Leptocylindrus danicus CI. (Fig. 9) 



11. Nitzchia longissima (Breb.) Ralfs 



12. pungens var. atlantica CI. (or southerly) (Fig. 45) 

 tl3. seriata CI. (or oceanic arctic) (Fig. 44) 



14. Rhizosolenia fragilissima Bergon 



15. imbricata var. shrubsolei (CI.) Schrod. (Fig. 14) 

 *16. setigera Brightvv. (Fig. 16) 



17. stolterfothii Perag. (Fig. 13) 



%n. Skeletonema costatum (Grev.) CI. (Fig. 2) 



*19. Thalassionema nitzschioides Grun. (Fig. 39) 



20. Thalassiosira decipiens (Grun.) Jorg. (Fig. 3) 



Southerly 



tl. Asterionella japonica CI. (Fig. 42) 



2. Cerataulina bergonii Perag. (Fig. 38) 



3. Chaetoceros affinis Laud. (Fig. 28) 



%\. costatus Pav. (fif in Gulf only) (Fig. 29) 



t5. curvisetus CI. (Fig. 30) 



♦6. didymus Ehr. (Fig. 26) 



t7. laciniosus Schiitt 



*8. lorenzianus Grun. (Fig. 24) 



9. simplex Osten. 



10. Dactyliosolen mediterraneus Perag. 



11. Ditylum bright^vellii (West) Grun. (Fig. 35) 

 tl2. Eucampia zoodiacus Ehr. (Fig. 34) 



13. Guinardia flaccida (Castr.) Perag. (Fig. 10) 

 *14. Lithodesmium undulatum Ehr. (Fig. 36) 



15. Planktoniella sol (Wall.) Schiitt (Fig. 5) 



*16. Pseudoeunotia doliolus (Wall.) Grun. (and littoral) (Fig. 43) 



