INDKX TO VOLUME I. 



Page. 

 49 

 637 

 6 3 I 

 568 



631 



Crinoids, 



Crown monument, . . 172, 218 

 Crystal cascade, .... 

 Crustacea, marine, in fresh water, . 



Cuba falls 



Culver hall, 57 



Cutler, M 64, 70 



Current from south-west, . .119 

 Cyclones, course of . . . .121 



Dana, E. S ..... 38-40 

 " J. D., 38; letter from, 40; 

 calls Eozoic rocks Ar- 

 chaean, . . -Sii 

 Dartmouth college, .... 20 

 students as explorers, 



Scientific Association, 

 Davis bridle-path, . . . 

 Dawson, J. W. . . . 

 Declination of needle, . 



DlATOMACEyE, INDEX TO : 



32, 



30 

 36 



61, 80 



.510 



153, 164 



Achnanthes brevipes, Fig. 14, . 488 



" longipes, . . . 488 



Achnanthes, structure of . . 438 



Achnanthidium, .... 453 



Actinoptychus, structure of . . 430 



/Ecidium asterum, .... 505 



" Dracontii, . . . 505 



" grossulariae, . . . 505 



" Viola?, .... 505 



Amphitetras, form of ... 425 



" structure of . .432 



Arachnoidiscus, .... 488 



Aulacodiscus Oregonensis, Fig. 28, 488 



" structure of . . 428 



Bacillaria paradoxa, . . .441 



" " in fresh water, . 442 

 " " mode of move- 



ment of . 442 



Bemis lake deposit, . . . 502 



Berg-mehl, ..... 461 



Bidclulphia aurita, .... 488 

 Baileyii, . . .488 



regina, .... 488 

 rhombus, F. V., Fig. 22. 

 S.V.,Fig. 21. 



structure of . . . 431 



Bow deposit, ..... 503 



Bowkerville deposit, . . . 503 



Bristol deposit, .... 503 



Campylodiscus, movement of . . 440 



Cell subdivision, .... 445 



Central canal of diatomacene, . . 434 



Central nodule of diatomaceae, . 434 



Closterium angustatum, . . . 505 



Cell-contents of diatomaceae, . . 424 



Cell, typical, of Schwann, 

 Cocconeis, .... 

 Cocconema, .... 



cistula, conjugation of . 

 Connecting membrane of diatoma- 

 ceas, .... 

 Coscinodiscus radiatus, Fig. 10. 



" structure of 



" subtilis, 



Colletonema, .... 

 Concord deposit, .... 

 Cosmarium Botrytis, 

 Chalk pond, Newbury deposit, 

 Cyclotella, .... 433 

 Cingulum of diatomaceas, 

 Coscinodiscus, form of . 



Dutch rushes, diatomaceae upon 

 Dust containing diatomaceae, how to 



collect, 



Diatoma vulgare. Fig. 20. 

 Diatom, typical form of a . 424, 

 Diatoma, . . . .421, 

 " to cut through . 

 " hyalinum, .... 

 Diatomaceae, 



Natural history of, 416-419 ; mixed 

 gatherings of, to separate into den- 

 sities, 496 ; preserving and mount- 

 ing, 496 ; little known to biologists, 

 420; origin of name, 421 ; where 

 found, 422 ; under ice, 423 ; struc- 

 ture of, 423 ; cell-contents of, 424; 

 oil globules of, 425 ; feeding, 425 ; 

 valves of, 425 ; delicacy of mark- 

 ings of, 426 ; movements of, 438 ; 

 mode of movement of, not known, 

 441 ; movements of, accelerated by 

 heat, 441 ; internal anatomy of, 

 445 ; how to collect, 482 ; mode of 

 growth of, 444 ; variation of, 448 ; 

 rapid multiplication of, 448 ; re- 

 production of, 449 ; stipes or pedi- 

 cle of, 449 ; modes of occurrence 

 of, 456 ; uses to man of, 456 ; in 

 moist earth, 456; in mosses on 

 house-tops, 456; in dust, 456; in 

 mud, 458 ; in stomachs of mollus- 

 ca, 458 ; in stomachs of sea ur- 

 chins and sea cucumbers, 459 ; in 

 guano, 459 ; semi-fossil, 460 ; fos- 

 sil, fresh-water, 460 ; used as food 

 by man, 461 ; fertilizing power of, 

 462 ; on algae, 458 ; lacustrine sed- 

 imentary deposits of, 460 ; living, 

 color of, 457 ; used as food, 461 ; 

 deposits of, use as fertilizers, 462 ; 

 and geology, 463 ; in mud, 472 ; 

 directions for collecting, preserv- 

 ing, and transporting, 478 ; fossil 

 deposits of, how to collect, 478 ; 

 recent gatherings of, how to col- 



655 



Page. 

 445 



453 

 453 

 454 



425 



430 

 489 

 453 

 503 

 505 

 503 

 .453 

 425 

 425 



484 



425 

 449 

 421 

 488 



