FOBAMINIFERA OF THE NORTH PACIFIC OCEAN. 101 



Plate 16. 



Fig. 1. Quinqueloculina reticulata, X 33. Caspar Straits. 



2. Quinqueloculina reticulata, X 33. Nero 2039- 



3. Quinqueloculina reticulata, X 65. Hongkong, a, front view; b, apertnral 



view. 



Plate 17. 



Fig. 1. Triloculina cuncata , X 65. (After Rhumbler.) 



2. Triloculina deplanata, X 90. a, b, side views; c, apertural view. (.After 



Rhumbler.) 



3. Quinqueloculina arenacea, X 140. (After Rhumbler.) 



4. Quinqueloculina arenacea, X 140. (After Rhumbler.) 



5. Quinqueloculina ferox, X 54. (After Rhumbler.) 



6. Quinqueloculina ferox, X 43. (After Rhumbler.) 



7. Quinqueloculina ferox, X 57. (After Rhumbler.) 



8. Triloculina cribrostoma, X 25. (After Rhumbler.) 



9. Adelosina laysanensis, X 2S8. (After Rhumbler.) 

 10. Triloculina cylindrica, X 140. (After Rhumbler.) 



Plate 18. 



Fig. 1. Quinqueloculina dutcmplei, X 65. a, b, side views; c, apertural view. 



2. Quinqueloculina bradyana, X 40. o, 6, side views; c, apertural view. 



3. Quinqueloculina dutemplei?, X 33. a, ft, side views; c, apertural view. 



Plate 19. 



Fig. 1. Planispirina sphaera, X 65. a, front view; b, sido view. 



2. Quinqueloculina procera, X 35. Horizontal section. 



3. Quinqueloculinafcrussacii, X 65. a, 6, side views; c, apertural view. 



4. Quinqueloculina ferussacii, X 65. End view of another specimen. 



Plate 20. 



Fig. 1. Quinqueloculina spiralis, X 65. a, b, side views; c, apertural view. 



2. Massilina crenata, X 65. a, front view; 6, apertural view. 



3. Massilina c.nnectans, X 65. «, 6, side views; c, apertural view. 



Plate 21. 



Fig. 1. Quinqueloculina cultrata, X 33. a, side view; 6, apertural view. 



2. Hauerina pacifica, X 65. «, 6, side views; c, apertural view. 



3. Triloculina suborbicularis, X 135. a, b, side views; c, apertural view. 



Plate 22. 



Fig. 1. Vertebralina insignis, X 35. (After Brady.) 



2. Vertebralina insiqnis, X 35. a, front view; b, apertural view. (After Brady.) 



3. Vertebralina striata, X 65. 



4. Vertebralina striata, X 65. a, front view; b, apertural view. 



5. Vertebralina sulcata, X 65. a, front view; b, apertural view. 



6. Articulina conico-articulata, X 65. a, front view; b, apertural view. 



7. Articulina sagra, X 35. (After Brady.) 



8. Articulina sagra, X 35. (After Brady.) 



