^ 



?AGE. 



Cdti'y, species of distributed lxvii 



Carp success, Extracts on Lxxxiii 



Akers, Col lxxxvii 



Baker, H. C xci 



Barbour, Jos lxxxv 



Bartlett, S. K lxxxVim 



Bidwell, Dan'l xc 



Blackford, E. G : . xc 



Butler, A. P. , Coni. Ag. Lxxxv 



Gallender, Dr Lxxxvii 



Dallam, Jno. S l,xx:?evi 



Field, Jss. G xcil 



Fletcher, C Lxxxviii 



Forest & Strearfti.x^sxVli l.xxxviii 



Long, j. W xCH 



Lorillard, P „ . . . Lxxxix 



Metcalf, Volnej Lxxxiv 



O'Keefe, A LxxxViii 



Rixford^ Geo-. C. ,Lxx;4iv lxxxVI 



Trump, C Lxxxvi 



Wallace & McGowan . lxxxvii 



White, C. S Lxxxv 



Witowsky, E , lxxxviii 



Cat's tongues . 28- 



Cause of swelling of edges 



of mantle. 13 



Chesapeake Bay (iy)(x2) 



(€xii), 3, 21, 29 67 

 Chesapeake Bay oyster . 69 

 Chesapeake form, descrip- 

 tion of the ,.,.... 39 



Chilicthys 33 



Chilomycter^s 33 



Choncologists. . .\ 60 



Cilia, . . 10,12,16,20,22,25;, 71 



Claire 3, 52 



Clark, H. Jas. . 6,11,12 yy 



Clepsine 86 



Clionoe 37, 38 



Cloaca 7, 10 



Cod hatching, Gloucester 



Harbor xi 



Collecting apparatus 42 



" " forms 



of (cxiii) 43 



Collecting, Methods of. . . 42 



Collectors, box 46 



Collectors, floating .... 45, 46 



Collectors, shingle 44 



Collectors, straw-mat. ... 47 



Collectors, tile 44 



Collin, Af. J..... 78 



Copepoda 23, 34 40 



FACE', 



Coscinodiscus SD- 



Coste 48, 60, 76, yy 



Cothuruia 22, 38 



Courseulles civ 



"Co^ering" of banks-. ... 291 



Crab in the oyste?. ....... 25 



Crepidula Glanca 37 



Creveling, J. P LiiE 



Cymothoids 34 



D 



Dam at Avondale xiv 



Dam at Iron Works Mills xiv 



Dam at Jericho "' xiii 



Dam at Laurel xiv 



Dam at Relay House xvr 



Davaine . . . . . . 5:, r6, 65;^ 76 



DeBroca, P. 77' 



Decaisne, M ... 21 



Depredations- of king- 

 fishers Lxrx 



Deshayes , y6 



Destructive ship worm ... 3^ 

 Diagrams showing em- 

 bankments xcix,ci,Gii CIII 



Diatoms. 2<i> 



Difference between eggs 



of shad and mackerel . . x 

 Difference in apparatus for 

 hatchingshadand mack- 

 erel X 



Difference in catch of shad 

 on Potomac and Susque- 

 hanna , VJi 



Difficulty of keeping arti- 

 ficially impregnated eggs 



alive 5,3 



Disadvantages labored un- 

 der 68 



Disturbance of the fish. . . xx 



Drills and boring sponges 42 



Duthiers H. Lacaze .16, y6 



Duvernoy, M yy 



E 



Earll, R. E ix 



Ectoproctous forms 34 



Ectosarc 39 



Eggs heavier than water. 17 



" of female oyster grow 



from ovicells 16 



Entoproctous forms 34 



Euplotes 22, 38 



