INDEX 



545 



Cochlostyla turbo, 433, 434. 



(Helicobulinus) turbo, 433. 



(Rhymbocochlias) turbo, 434. 



ustulata, 470, 477. 



virgata, 456, 457. 



(Prochilus) virgata, 454, 455, 457, 

 460, 462, 465. 



virgata alampe, 457. 



virgata porracea, 457. 



virgata pulchrior, 457. 



virgata sylvanoides, 457. 



virginea, 451, 452. 



(Corasia) virgo, 380. 



wagneri, 512. 

 coeli, Aulacodiscus voluta, 31. 

 collaris, Lysidice, 193. 

 Columplica dolium, 431. 

 comis, Surirella, 152. 

 compacta, Achnanthes, 10, 176. 



Amphora, 19, 176. 



Coscinodiscus apollinis, 64. 

 compactum, Rhoicosigma, 143. 

 composita, Cocconeis, 62. 

 compositus, Auliscus, 32. 

 comptus, Campylodiscus, 50. 

 concava, Biddulphia, 35. 

 concavum, Triccratium, 35. 

 concentrica, Surirella, 152, 181. 

 concinna, Mastogloia, 91. 

 concinnus, Campylodiscus, 50, 52. 

 concinuus, Coscinodiscus, 65. 

 conica, Cochlostvla (Chrvsallis) cani- 



ceps, 520, 523. 

 consimilis, Biddulphia, 36. 

 consors, Navicula, 98. 

 constricta, Amphora lineata, 24. 



Mastogloia, 87. 

 constrictum, Plagiogramma, 130. 

 contabulatus, Gyroptychus, 13. 

 contigua, Navicula, 101. 



Surirella, 152, 181. 

 contiguus, Campylodiscus, 50, 52. 

 continuata, Surirella, 153, 181. 

 contorta, Hebella, 198, 207. 

 contracostana, Cochlostyla (Chrysallis) 



caniceps, 520, 522. 

 contracta, Cochlostyla calobapta, 465. 



Cochlostvla (Prochilus) cuyoensis, 

 465, 466. 

 contumax, Trigonium, 162, 182. 

 convallaria, Lafoea, 211, 212. 



Zygophylax, 195, 199, 211. 

 convexus, Coscinodiscus, 95. 

 Corasia (subg.), 380. 

 Corasia aegrota, 380. 

 Corethron, 161. 

 Corinna, 172. 



cornigera, Biddulphia, 36, 39, 177. 

 cornuta, Biddulphia, 37. 



Sertularella, 195, 199, 215, 216, 241. 



Sertularella polyzonias, 215. 

 cornutum, Triceratium, 44. 

 coronalis, Polymyxus, 14. 

 coronaria, Melosira, 92. 

 coronatum, Chaetoceros, 83. 

 corpulenta, Amphora, 18, 20. 



Navicula, 99, 179. 



Coscinodiscus, 2, 58, 64, 68, 70, 76, 84, 

 95, 157, 175. 



africanus, 64. 



apollinis, 64. 



apollinis compacta, 64. 



asteromphalus, 65, 95. 



biangulatus, 65, 95. 



bullatus, 70. 



centralis, 65, 66, 69. 



cervinus, 65. 



ciliatus, 65, 178. 



concinnus, 65. 



convexus, 95. 



denarius, 71. 



denticulatus, 66. 



devius, 69. 



elongatus, 175. 



excentricus, 66, 67. 



exiguus, 7, 66. 



galapagensis, 64. 



gazellae, 66. 



gigas, 69. 



griseus, 64. 



heteromorphus, 66. 



horridus, 65. 



humilis, 175. 



janischii, 67. 



kuetzingii, 67. 



kutzingii, 67. 



lentiginosus, 67. 



leptopus, 67. 



lineatus, 67, 68. 



marginatus, 67. 



micans, 68, 69. 



nano-lineatus, 68, 178. 



nitidulus, 8, 68. 



nitidus, 69. 



nobilis, 69. 



nodulifer, 69. 



normanii, 69. 



oculus-iridis, 65, 69. 



omphalanthus, 65. 



praetextus, 69. 



pustulatus, 69. 



radiatus, 69. 



radiosus, 68, 69. 



reniformis, 69, 150, 151. 



rex, 66, 70. 



robustus, 67. 



scintillans, 64. 



scitulus, 70, 178. 



spendidus, 66. 



subtilis, 70. 



subvelatus, 68. 



symmetricus, 70. 



tubiformis, 70. 



variolatus, 8, 71, 178. 

 costata, Amphora, 20, 21. 

 costatum, Skeletonema, 145. 

 crabro, Navicula, 95, 99, 105, 111, 113, 



114, 120, 121. 

 Craspedodiscus, 71. 



insignis, 71. 

 crassa, Amphora, 8, 20. 

 crassilineata, Cyclotella, 71, 178. 

 craticula, Surirella, 147. 

 crebrecostatus, Campylodiscus, 50, 52. 

 crenulata, Achnanthes, 11. 



