RYD] 



248 



[RYD 



pauropus spinosus]. Philad., Acad. Nat. Sci. 

 Proc., 1879, pp. 139, 164. 



Ryder, John A. 13. Description of a new species 

 of Ghirocephalus, [Oh. holmanii]. Philad., 

 Acad. Nat. Sci. Proc., 1879, pp. 148-149. 



14. On the destructive nature of the 



boring sponge, with observations on its gemmules 

 or eggs. American Naturalist, 13, 1879, pp. 

 279-283. 



15. Honey glands on Catalpa leaves. 



Philad., Acad. Nat. Sci. Proc., 1879, p. 161. 



16. Description of a new branchipod, 



[Streptocephalus sealii]. Philad., Acad. Nat. 

 Sci. Proc., 1879, pp. 200-202. 



17. An account of a new genus [Eury- 



pauropus] of minute pauropod myriapods. 

 American Naturalist, 13, 1879, pp. 603-612. 



18. A probable new species of Phytoptus 



or gall-mite. American Naturalist, 13, 1879, 

 pp. 704-705. 



19. The psorosperms found in Aphredo- 



derus sayanus. American Naturalist, 14, 1880, 

 pp. 211-212. 



20. Scolopendrella as the type of a new 

 order of articulates (Symphyla). American Na- 

 turalist, 14, 1880, pp. 375-376. 



21. On the course of the intestine in the 



oyster (Ostrea virginiana). American Naturalist, 

 14, 1880, pp. 674-675. 



22. Phosphorescence of very young fishes. 

 American Naturalist, 14, 1880, pp. 675-676. 



23. On the occurrence of Freia producta, 

 Wright, in the Chesapeake Bay. American 

 Naturalist, 14, 1880, pp. 810-811. 



24. The structure, affinities and species of 



Scolopendrella. Philad., Acad. Nat. Sci. Proc., 

 1881, pp. 79-86. 



25. On Camaraphysema, a new type of 

 sponge. (U. S. Nat. Mus. Proc., 3, 1880, pp. 

 26'J-272.) Smithsonian Miscell. Coll., 22, 1882, 

 Art. 1. 



26. List of the North American species 

 of myriapods belonging to the family of the 

 Lysiopetalidse, with a description of a blind form 

 from Luray Cave, Virginia. (U. S. Nat. Mus. 

 Proc., 3, 1880, pp. 524-529.) Smithsonian 

 Miscell. Coll., 22, 1882, Art. 1. 



27. Structure and ovarian incubation of 



Gambusia patruelis, a top-minnow. [1881.] 

 American Naturalist, 16, 1882, pp. 109-118. 



28. Observations on the species of plana- 



rians parasitic on Limulus. American Natura- 

 list, 16, 1882, pp. 48-51. 



29. Preliminary notice of the more im- 

 portant scientific results obtained from a study 

 of the embryology of fishes. U. S. Fish Oomm. 

 Bull., 1, 1882, pp. 22-23. 



30. Notes on the development, spinning 



back, Apeltes quadracus. IT. S. Fish Comm. 



Bull., 1, 1882, pp. 24-29. 

 Ryder, John A. 31. Development of the 



Spanish mackerel (Cybium maculatum). U. S. 



Fish Comm. Bull., 1, 1882, pp. 135-172. 

 32. On the retardation of the development 



of the ova of the shad (Alosa sapidissima), with 



observations on the egg-fungus and bacteria. 



U. S. Fish Comm. Bull., 1, 1882, pp. 177-190, 



422-424. 



33. A contribution to the development 



and morphology of the lophobranchiates. (Hippo- 

 campus antiquorum, the sea-horse.) U. S. Fish 

 Comm. Bull., 1, 1882, pp. 191-199. 



34. The Protozoa and Protophytes con- 

 sidered as the primary or indirect source of 

 the food of fishes. U. S. Fish Comm. Bull., 1, 

 1882, pp. 236-251. 



35. Development of the silver gar (Belone 

 longirostris), with observations on the genesis of 

 the blood in embryo fishes, and a comparison of 

 fish ova with those of other vertebrates. U. S. 

 Fish Comm. Bull., 1, 1882, pp. 283-301. 



36. On the nuclear cleavage-figures deve- 



loped during the segmentation of the germinal 

 disk of the egg of the salmon. U. S. Fish 

 Comm. Bull., 1, 1882, pp. 335-339. 

 37. Notes on the breeding, food, and 

 green color of the oyster. U. S. Fish Comm. 

 Bull., 1, 1882, pp. 403-419. 



38. Preliminary notice of some points in 



the minute anatomy of the oyster. U. S. Fish 

 Comm. Bull., 2, 1883, pp. 135-137. 

 39. Observations on the absorption of the 

 yelk, the food, feeding, and development of 

 embryo fishes, comprising some investigations 

 conducted at the central hatchery, Armory 

 Building, Washington, D.C., in 1882. U. S. 

 Fish Comm. Bull., 2, 1883, pp. 179-205. 

 40. The microscopic sexual characteristics 

 of the American, Portuguese, and common edible 

 oyster of Europe compared. U. S. Fish Comm. 

 Bull, 2, 1883, pp. 205-215; Ann. Mag. Nat. 

 Hist., 12, 1883, pp. 37-48. 



41. Note on the organ of BOJANUS in 



Ostrea virginiana, Gmelin. U. S. Fish Comm. 

 Bull., 2, 1883, pp. 345-347. 



42. On the mode of fixation of the fry of 

 the oyster. U. S. Fish Comm. Bull., 2, 1883, 

 pp. 383-387. 



43. On the thread-bearing eggs of the 

 silversides (Menidia). U. S. Fish Comm. Bull., 

 3, 1883, pp. 193-196. 



44. Preliminary notice of the develop- 

 ment and breeding habits of the Potomac catfish, 

 Amiurus albidus, (Lesueur) Gill. U. S. Fish 

 Comm. Bull., 3, 1883, pp. 225-230. 



45. Rearing oysters from artificially ferti- 



habits, and structure of the four-spined stickle- lized eggs, together with notes on pond-culture, 



