DIDELPHIS, DORIS, 179 
7. Sometimes the back is dark brown, belly 
yellowish. 
See MS. P. 
2—5. Drinus. Spec. 38. 
meptus, (dodo) black waved with whitish ; head 
hooded ; feet four-toed. Three feet long. 
see MS. P. 
4—5. Diopon. Spec. 3. 
/ystrix, (porcupine fish) nearly spherical ; spines 
iriangular. Sometimes conic with long spines. 
See MS. Pig 
2—6. Diomepea. Spec. 4. 
eaculans, (albatrass, man-of-war) white ; back and 
wings with white lines; quill-feathers black. 
See Ms. 
8—12. Dropsis. Spec. 1. 
ichneumoni.., (false ichneumon) body reddish ; an- 
tenne small, setaceous; thorax black. 
See MS. P. 
i—4. Dtpeus. Spec. 10. 
canadensis, (american jerboa) fore toes 4, hind ones 
5; tail longer than the body, covered with bris- 
tles. 
See. MS. P. 
9--3. Donax. Spec. 19. 
éruneulus, shell smooth in front, violet within - ; 
margins crenate. 
See MS P. 
5-4. Doris. Spec. 24. 
argo, (dory) body oval, smooth, with two small 
palpi at the mouth ; body red, with black and 
yellow cae 
See MS. P 
