DIDELPHIS, DORIS. 170 



7. Sometimes the back is dark broTrn, belly 

 yellowish. 

 See MS. P. 



2 5. DIDUS. Spec. 3. 



ineptus, (dodo) black waved with whitish ; head 

 hooded ; feet four-toed. Three feet long. 



See MS. P. 



4 5. DIODON. Spec. 3. 



hystrix, (porcupine fish) nearly spherical ; spines 

 triangular. Sometimes conic with long spines. 



See MS. P. 



2 6. DIOMEDEA. Spec. 4. 



cxulans, (albatrass, man-of-war) white ; back and 

 wings with white lines ; quill-feathers black. 



See MS. 



8 12. DIOPSIS. Spec. 1. 



ichnenmoniu, (false ichneumon) body reddish ; an- 

 tennse small, setaceous ; thorax black. 

 See MS. P. 



1 4, DIPUS. Spec. 10. 



canadensis, (american jerboa) fore toes 4, hind ones 

 5 ; tail longer than the body, covered with bris- 

 tles. 



See MS. P. 



93. DONAX. Spec. 19. 



trunculus, shell smooth in front, violet within 5 

 margins crenate. 



See MS P. 



9 1. DORIS. Spec. 24. 



argo, (dory) body oval, smooth, with two small 

 palpi at the mouth ; body red, with black and 

 yello\v dots, 

 See MS. P. 



