EXPLANATION OF PLATE X 
Eocene and Miocene Fossils 
Fig. i. Callocardia ? {Pit aria ?) kincaidii Dali; Miocene; length 
50.0 mm.; p. 115. 
2. Trochita alaskana Dali; Miocene; basal view of internal 
cast; diameter 12.0 mm. ; p. 118. 
3. Modiolus alaskanus Dali; Eocene; length 17.0 mm.; p. 106. 
4. Saxidomus popofianus Dali; Miocene; length 50.0 mm.; p. 
II5 \ 
5. Papyridea harrimani Dali; Miocene; length 45.0 mm.; p. 
1J 3* 
6. Trochita alaskana Dali; profile of elevated specimen; Mio¬ 
cene ; height 20.0 mm. ; p. 118. 
7. Dosinia ? alaskana Dali; Miocene; length 55.0 mm.; p. 
“ 5 - 
8. Crepidula ungana Dali; Miocene; basal view; length 38.0 
mm.; p. 119. 
9. The same; three adult specimens illustrating the perching 
habit of this form; length of the uppermost specimen 38.0 
mm. ; p. 119. 
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