1888-89.] Mr John Rattray on the Genus Coscinodiscus. 689 
PAGE 
Coscinodiscus — 
punctatus, Ehrb ., 495, 537, 
547, 581, 619 
punctatus, var. rhombica, 
nov., ..... 547 
punctulatus, Greg., 594, 604, 613 
pusillus, Grove MS., . 459, 616 
Pyxidicula, Kiitz., . .601 
pyxis, Ehrb., .... 601 
quindenarius, Habir., . . 601 
radiatus, Bail., . . 514, 542 
radiatus, Ehrb., 490, 508, 513, 
514, 515, 517, 520, 527, 
553, 555, 570, 605, 606, 614 
radiatus, Ehrb. , pro parte, . 527 
radiatus , Sch., . . .516 
radiatus, Weisse., . . . 514 
radiaius, var. abyssalis, 
Cstr. , 516 
radiatus, var. borealis, Grun., 516 
radiatus, var. crenulata, Ratt- 
ray, 518 
radiatus, var. glacialis, Grun. , 
516, 518 
radiatus forma heterosticta, 
Grun., 510 
radiatus, var. irregularis, 
Grun., 518 
radiatus, var. media, Grun., 516 
radiatus, var. minor, nov . , . 517 
radiaius forma minor, Sch. . 517 
radiatus, var. parva, Grun., 517 
radiatus, var. subsequalis, 
Grun., . . . .516, 605 
radiatus, var., Wallich, . 518 
radiolatus, Ehrb., 495, 521, 
528, 529, 604, 605, 606 
radiolatus, Ehrb. , pro parte. , 528 
radiolatus, Sch., . . .516 
radiolatus, Weisse., . . 606 
radiopunctatus, Hooting, 594, 612 
radiosusj Grun., 520, 531, 
545, 553, 556, 594, 605, 606, 614 
radiosus, var. kerguelensis, 
Grun. 520 
regius , Grun., . . 545, 568 
reniformis, Cstr., . . 548, 609 
rex, Wallich, . . 546, 568, 610 
rhombicus, Cstr., . . .547 
rhombicus, Grun., . . 568, 619 
robustus, Grev., 510, 511, 
513, 614 
robustus, Sch., . . .511 
robustus, var. fragilis, mu?. , . 512 
robustus, var. , intermedia, 
Grun., 511 
robustus, var. kittoniana, 
nov., 512 
Rothii, Grun., 495, 497, 498, 
502, 616 
PAGE 
Coscinodiscus — 
Rothii, var. actinocycloides, 503 
Rothii, var. grandiuscula, 
nov. , 503 
Rothii forma minor, Grun., . 502 
Rothii, var. singaporensis, nov. , 503 
rotula, Grun., . 566, 567, 619 
rudis, Cstr., .... 600 
sarmaticus, Rant., . . 548, 510 
scintillans, Grev. , . . .579 
secernandus, Sch., . . 558, 614 
semilunaris, Grun., . . 524 
semipennatus, Grun. , 484,504, 617 
senarius, Sch., 504, 505, 506, 617 
simbirskianus, Grun. , 489, 
607, 617 
sinensis , O’Me., . . 527, 603 
Smithii, O’Me., . . . 603 
sol, Wallich, 462, 465, 466, 
471, 626 
sphseroidalis, sp. n., . 451, 609 
sphseroidalis, var. cincta, . 451 
spiniferus, Grove and Sturt, 
585, 620 
spinuligerus, sp. n., . 564, 623 
spinulosus, Ehrb., . . 456, 610 
splendidulus, Rattray, . 576, 618 
splendidus, Grev., . 468, 469, 626 
sp., Cstr., .... 452 
sp., Sch., .... 505 
? sp. , Tru. and Witt, . .602 
stellaris, Roper, . 493, 594, 616 
stellaris , var. fasciculata, 
Cstr., 493 
stellaris, var. Mejillonis, 
Grun., 494 
stellaris, var., Cstr., . . 493 
stelliger,. Grun., . . 566, 621 
stokesianus, Grun., . 457, 615 
stokesianus forma baldjikiana, 
Grun., 458 
stokesianus forma minor. , 
Grun. , 457 
striatus, Ehrb., . . . 603 
striatus, Kiitz., . . 603, 604 
subangulatus, Grun., . 520, 609 
subareolatus, sp. n., . 454, 612 
subaulacodiscoidalis, sp. n. , 
521, 613 
subconcavus, Grun., 466, 510, 627 
subconcavus forma major, 
Sch., . . . . . 510 
subconcavus, var. tenuior, 
nov., 467 
subconcavus, Grun. , var. ? 
Sch., 467 
subdivicus, Tru. and Witt. 
587, 615 
subglobosus, Cl. and Grun., 
481, 618 
2 x 
VOL. XVI. 22/11/89 
