FORAMINIFERA OF NORTH PACIFIC OCEAN. 117 



Plate 38. 



Fig. 1. Polymorphina elegantissima. X 33. a, front view; b, side view; c, aper- 

 tural view. 



2. Cristellaria latifrons. X 80. a, side view; 6, face view. 



3. Cristellaria sp. X 33. a, side view; b, face view. 



4. Cristellaria sp. X 33. a, side view; b, face view. 



5. Lagena Ixvis. X 133. 



6. Lagena acuta. X 100. a, front view; b, same by transmitted light; c, aper- 



tural view. 



Plate 39. 



Fig. 1. Ramulina glob ulif era. X 33. a, elongated specimen; b, globular portion. 



2. Triplasia tricarinata. X 80. a, specimen with, irregular contour; b, specimen 



with regular contour; c, apertural view. 



3. Triplasia reussii. X 65. a, side view; b, apertural view. 



4. Vaginulina legumen. X 33. a, side view; b, apertural view. 



5. Frondicularia bradyi. X 160. Specimen by transmitted light showing very 



thick proloculum with radiating tubes. 



6. Polymorphina angusta. X 65. a, side view; 6, front view; c, rear view; 



d, apertural view. 



Plate 40. 



Fig. 1. Polymorphina rotundata. X 30. a, front view; b, side view; c, apertural 

 view. 



2. Polymorphina lanceolata. X 60. a, front view; b, apertural view. 



3. Polymorphina compressa. X 30. a, front view; b, apertural view. 



4. Polymorphina ovata, fistulose form. X 60. a, ventral view; b, apertural view; 



c, dorsal view. 



Plate 41. 



Fig. 1. Polymorphina longicollis. X 65. a, front view; b, apertural view; c, side 

 view. 



2. Polymorphina longicollis. X 65. a, front view; b, side view. 



3. Polymorphina longicollis, fistulose form. X 33. a, front view; b, apertural 



view. 



4. Polymorphina gibba. X 33. a, front view; b, apertural view. 



5. Polymorphina amygdaloides . X 80. a, front view; 6, apertural view. 



6. Polymorphina regina. X 65. Young specimen. 



7. Polymorphina regina. X 65. a, front view; b, apertural view. 



8. Polymorphina lactea, var. diffusa. X 33. a, front view; b, apertural view. 



Plate 42. 



Fig. 1. Uvigerina pygmxa. X 60. a, front view; b, apertural view. 



2. Uvigerina proboscidea. X 60. a, front view; b, apertural view. 



3. Uvigerina ampullacea. X 30. a, front view; b, side view. 



4. Uvigerina tenuistriata. X 60. a, front view; b, apertural view. 



5. Uvigerina selseyensis. X 120. a, front view; b, apertural view. 



6. Uvigerina canariensis. X 60. a, front view; b, side view; c, apertural view. 



Plate 43. 



Fig. 1. Uvigerina asperula. X 65. a, front view; b, apertural view. 



2. Uvigerina brunnensis. X 65. a, front view; b, side view; c, apertural view. 



3. Uvigerina angulosa, var. spinipes. X 65. a, front view; b, apertural view. 



4. Uvigerina aculeata. X 33. a, front view; 6, side view; c, apertural view. 



5. Uvigerina striata. X 65. a, front view; b, apertural view. 



