LIST OF PUBLICATIONS. 669 



1379. Ryder, John A. Development of the Spanish mackerel (Cybium macula- 



turn). Bulletin, I, for 1881, pp. 135-172, plates ] -iv. L881. (Oul of print.) 



1380. Ryder. John A. On the retardation of the development of the ova of the 



shad (Alosa sapidissima) , with observations on the egg fungus and bac- 

 teria. Bulletin, I, for 1881, pp. 177-190, plate xvii. L882. (Out of print.) 



1381. Ryder, John A. A contribution to the development and the morphology 



oftheLophobranchiates; (Hippocampus antiquorum, thesea-horse] . Bul- 

 letin, I, for 1881. pp. 191-199. 1882. (Out of print. ) 



1382. Ryder. John A. The protozoa and protophytes considered as the primary 



or indirect source of the food of fishes. Bulletin. [,for 1881, pp.236 251. 



1882. (Out of print.) 



1383. Ryder, John A. The micropyle of the egg of the white perch. Bullet in, 



I, for 1881, p. 282. 1882. (Out of print. ) 



1384. Ryder, John A. Development of the silver gar I Belone longirostris l . with 



observations on the gem sis of the blood in embryo fishes, and a compar- 

 ison of fish ova with those of other vertebrates. Bulletin i-i'l'- 

 283-301, plates xix-xxi. 1882. (Out of print.) 



1385. Ryder, John A. On the nuclear cleavage-figures developed during Ihe 



segmentation of the germinal disk of the egg of the salmon. Bulletin, I, 

 for 1881, pp. 335-339, plate xvill. 1882. (Out of print.) 

 138G. Ryder, John A. Notes on the breeding, food, and green color of the oys- 

 ter. Bulletin, I, for 1881, pp. 403-419. 1882. (Out of print.) 



1387. Ryder, John A. Additional observations on the retardation of the devel- 



opment of the ova of the shad. Bulletin, i. for L881,pp. 122-424. L882. 

 (Out of pi-int. ) 



1388. Ryder, John A. Preliminary notice on some points in the minute anat- 



omy of the oyster. Bulletin. II, for 1882, pp. L35-137. 1882. (Out of 

 print. ) 



1389. Ryder. John A. Observations on the absorption of the yelk, the food, 



feeding, and development of embryo fishes, comprising some investiga- 

 tion conducted at the Central Hatcheiy, Armory building, Washington, 

 D. C, in 1882. Bulletin, n, for 1882, pp. 170-205 (including 1 fig.). L883. 

 (Out of print.) 



1390. Ryder, John A. The microscopic sexual characteristics of the American, 



Portuguese, and common edible oyster of Europe compared. Bulletin, 

 ii. for 1882, pp. 205-215. 1883. (Out of print. ) 



1391. Ryder, John A. A note on the organ of bojanusin Ostr< a virginica < rmelin. 



Bulletin, n, for 1880. pp. 345-347. 1883. (Out of print.) 



1392. Ryder, John A. On the mode of fixation of the fry of the oyster. Bulle- 



tin, ii, for 1882, pp. 383-387, 1 plate. 1883. (Oui of print.) 



1393. Ryder. John A. On the threadbearing eggs of the silversides (Menidia). 



Bulletin, ill, for 1883, pp. 193-196 (including 4 tigs.). 1883. (Out of 

 print.) 



1394. Ryder, John A. Preliminary notice of the development and breeding habits 



of the Potomac catfish. Amiurus aTbidus (Le Sueur) Gill. Bulletin, in. 

 for 1883, pp. 325-230. 1883. (Out of print, i 



1395. Ryder, John A. Rearing oysters from artificially fertilized eggs, together 



with notes on pond-culture, etc. Bulletin, in, for L883, pp. 381- 394. l s ^i. 

 Pamphlet No. 07. (Out of print. ) 



1396. Ryder, John A. Report on the abnormal appearance of some shai 



from a fish kept in confinement at Havre de Grace. Md. Bulletin, ill, for 



1883. p. 110. 1883. (Out of print.) 



1397. Ryder. John A. The protozoa and protophytes considered as the primary 



or indirect source of the food of fishes. Report for L881, in. p. i 



1884. (Out of print.) 



1398. Ryder, John A. On the retardation of the development of the ova of the 



shad (Alosa sapidissima), with observations on the egg fungus and bac- 

 teria. Report for 1881, IX, pp. 795-811. 1884. (Out of print.) 



1399. Ryder, John A. The life historv of the oyster. The Fisheriesand Fishery 



Industries of the United States, sec. i. pp. 711-758, plate 259. 1884. 1 1 tat 

 of print. ) 



1400. Ryder, John A. A contribution to the embryography o fishes, 



with special reference to the development of the cod (Gtodus morrhua). 

 Report for 1882. x. pp. 455-605 (including 11 figs.), plates i-xu. L884. 

 Pamphlet No. 71. 



1401. Ryder, oOHN A. On the preservation of embryonic materials and small 



organisms, together with hints upon embedding and mountin 

 serially. Report for 1882, x, p. 607-629. 1884. Pamphlet No. 76. 



