GEOLOGY AND PALEONTOLOGY OF THE CANAL ZONE. 87 



Plate 28. 



Fig. 1. Quinqueloculina seminulum (Linnaeus). X 65. a, front view; b, rear 

 view; c, apertural view. 



2. Quinqueloculina seminulum (Linnaeus). X 130. a, front view; b, rear 



view; c, apertural view. 



3. Quinqueloculina seminulum (Linnaeus) var. X 65. a, front view; b, 



rear view; c, apertural view. 



Plate 29. 



Fig. 1. Quinqueloculina seminulum (Linnaeus) var. X 80. a, front view; 6, 

 rear view; c, apertural view. 



2. Quinqueloculina contorta d'Orbigny. X 65. a, front view ; b, rear view ; 



c, apertural view. 



3. Quinqueloculina auberiana d'Orbigny. X 65. a, front view ; b, rear 



view ; c, apertural view. 



Plate 30. 



Fig. 1. Quinqueloculina undosa Karrer. X 50. a, front view ; b, rear view ; c, 

 apertural view. 



2. Quinqueloculina bicornis (Walker and Jacob). X 65. a, front view; &, 



rear view ; c, apertural view. 



3. Quinqueloculina bicornis (Walker and Jacob)?. X 50. a, front view; 



6, rear view. 



Plate 31. 



Fig. 1. Quinqueloculina panamensis, new species. X 65. a, front view ; b, rear 

 view; c, apertural view. 



2. Spiroloculina excavata d'Orbigny. X 40. a, front view ; b, apertural 



view. 



3. Sigmoilina asperula (Karrer). X 65. a, front view; b, apertural view. 



4. Sigmoilina tenius (Czjzek). X 65. a, front view; b, rear view; c, aper- 



tural view. 



Plate 32. 



Fig. 1. Triloculina trigonula (Lamarck). X 65. a, front view; b, side view; 

 c, apertural view. 



2. Triloculina tricarinata d'Orbigny. X 65. a, rear view ; b, side view ; c, 



apertural view. 



3. Triloculina bulbosa, new species. X 65. a, rear view; b, side view; c, 



apertural view. 



Plate 33. 



Fig. 1. Triloculina projecta, new species. X 65. a, front view ; b, rear view ; 

 c, apertural view. 



2. Biloculina bulloides d'Orbigny. X 65. a, front view ; b, side view ; 



c, apertural view. 



3. Orbiculina adunca (Fichtel and Moll). X 30. 



