178 DELPHINUS, DIDELPHIS. 



1 8. DELPHTNUS. Spec. 4. 



phocoena, (porpoise,) body subconic ; back broad ; 

 snout bluntish ; bluish above, white beneath ; 

 46 teeth in each jaw. Appear like old stumps 

 and roots tumbling in water. 



ddphis, (dolphin,) body oblong, roundish ; snout 

 narrow, sharp. Swims fast. 9 or 10 feet long, 



area, (grampus,) snout turned up ; teeth broad, ser- 

 rate. Var. Sword grampus. Snout subtrun* 

 cate ; teeth pointed. 

 See MS. P. 



5 1. DENTALIUM. Spec. 22. 

 dephantinum, (elephant-tooth shell,) shell with 10 

 ribs, slightly curved, striate ; green with dark 

 bands, tip white. 



See MS. P. 



8 1. DERMESTES. Spec. 85. 



lardarius, (leather-eater, book-eater,) black, shell 

 cinereous above. Larva oval, hairy. Very 

 destructive to libraries, museums, bacon, &c. 

 See MS. P. 



9 1. DERUIS. Spec. 1. 



sanguined) body cylindric, tapering to a point be- 

 hind ; palpi white. In sea. 

 See MS. / J . 



8 5. DIAPERIS. Spec. 1. 



piolacea, blackish-blue ; antennse ferruginous at 

 the tips. 

 See MS. P. 



1 3. DIDELPHIS. Spec. 25. 



opossum, (american opossum,) tail hairy near the 

 base ; region of the eyebrows paler ; teats 5 to 



