INDEX. 



759 



Solariella aureonitens, 595 ; trochoides, 

 600. 



Solarium, 605 ; hybridum, 606. 

 Solenolambrus, chamc. of, 668. 

 Solenopsis geminata, 676. 

 Somileptes, 539, 563, 579 ; bispinosa 



(ftnote), 55-4 ; gongota, 554 ; uni- 



spina (ftnote), 555. 

 Sonsino, Dr., on Filarite, 361. 

 Sparsispongia, 190, 229. 

 Speckled Cod, 689. 



Sperlepes rubra, skull of, 718 ; salmo- 



nea, skull of, 718. 

 Sphserechinus, 434. 

 Sphseroidea, charac. of, 179. 

 Sphaerospongia, 229. 

 SphfErozoa, 166. 



Sphserozoida, 173 ; charac. of, 179. 

 Sph£erozoum, 138, 159, 168, 172, 179 ; 



ovo-di-mare, skeleton of, 148. 

 Sphecotheres Salvadorii, 687. 

 Sphegidae (Sandwich Is.), 676. 

 Sphenocarcinus, charac. of, 663. 

 Spirillina, 178. 

 Spirorbis lucidus, 127. 

 Sponges compared with Stromatopora, 



229. 



Spongia stellata, 229. 

 Spongida (Radiolaria), charac. of, 176. 

 Spongoastericus, 176. 

 Spongocyclia, 154, 176. 

 Spongodictyum, 155, 168. 

 Spongodiscida, 175. 

 Spongodiscus, 154, 176. 

 Spongosphsera, 155, 168. 

 Spongosphserida, 175, 176. 

 Spongotrochus, 176. 

 Spongurida, 173 ; an unnatural group, 

 175. 



Spongurus, 154, 170, 176. 

 Spyridobotrys, 178. 

 Staurolithium, 153, 177. 

 Stellaster Belcheri, 430, 433. 

 St€lHspongia, 229. 

 Stenocionopinae, 652. 

 Stenocionops, charac. of, 652. 

 Stenophylax, 730. 

 Stenorhynchus, charac. of, 643. 

 Stephanastrum, 154, 176. 

 Stercorariinae, geogr. distrib. of, 390, 

 391. 



Stercorarius antarcticus, 393, 394 ; 

 asiaticus, 392 ; catarrhactes, 392, 

 393, 394; chilensis, 393, 394; cre- 

 pidatus, 391, 392; parasiticus, 391, 

 392 ; pomatorhinus, 392. 



Sterna albigena, 402 ; aleutica, 403, 

 405 ; anaestheta, 404, 405 ; anglica, 

 403 ; antarctica, 402, 406 ; balajna- 

 rum, 403 ; Bergii, 402 ; cantiaca, 401, 



402 ; caspia, 401 ; Dougalli, 403 ; 

 elegans, 401 ; eurygnathus, 401 ; flu- 

 viatilis, 401 ; frontalis, 402 ; fuligi- 

 nosa, 404, 405 ; hirundinacea, 402, 

 406 ; lunata, 404, 405 ; macrura, 

 401 ; niagnirostris, 403 ; maxima, 

 401 ; media, 401 ; melanauchen, 403 ; 

 minuta, 403 ; nereis, 403 ; nigra, 403 ; 

 seena, 403 ; trudeaui, 403 ; virgata, 

 402. 



Sterninae, geogr. distrib. of, 39D, 401. 



Steropsocus immaculatus, 733. 



Stichocyrtida, charac. of, 178. 



Stictopioea, 301 ; binotata, 303 ; doles- 

 chalii, 303 ; euphon, 303 ; gloriosa, 

 301; grotei, 302; harrisii, 302; 

 hopei, 302 ; imraaculata, 303 ; in- 

 con spicua , 302 ; inaequalis, 302 ; 

 lankana, 302 ; laetifica, 302 ; micro- 

 sticta, 302 ; moesta, 303 ; palla, 303 ; 

 pelor, 303 ; picina, 302 ; schlegelii, 

 301; superba, 301; swinhoei, 302; 

 Sylvester, 303 ; tristis, 303. 



Stilbognathus, charac. of, 652. 



Stromatocerium, 189, 210, 222; cana- 

 dense, 223 ; rugosum, 213, 223. 



Stromatopora, minute structure of, and 

 allies, by Prof. H. A. Nicholson and 

 Dr. Murie, 187. 



, affinities, 224; calcareous, 196, 



231 ; classification and types, 216 ; 

 comparisons with Nullipores, 225 ; 



Foraminifera, 227 ; corals, 



232 ; Hydrozoa, 233 ; concentric 



arrang. chamb. round vert, column, 

 212 ; departures from type, 212 ; 

 fossilization, 196 ; gen. struct, of 

 typical Stromatopora, 195 ; hex- 

 actinellid nature of, 230 ; history and 

 literature, 188 ; horiz. laminae, 205 ; 

 horny, 197, 229 ; internal constitu- 

 tion, 203; introductory remarks, 

 187 ; minute structure, 202 ; mode 

 of occurrence, 196 ; nature of radial 

 pillars, 203 ; original constitution, 

 196 ; radiated water- canals, 209 ; 

 sarcode chambers, 208 ; siliceous, 

 196, 230 ; spongiose nature of, 231 ; 

 summary and conclusions, 239 ; sys- 

 tematic position, 224; tubes of Cauno- 

 jpora, 211 ; vertical water-canals of, 

 210, 



Stromatopora, 217; astroites, 210; con- 

 centrica, 188, 189, 193, 195, 230; 

 constellata, 210; (Coenostroma) dis- 

 coideum, 218, 219, 233; elegans, 

 210 ; expansa, 218 ; granulata, 205, 

 210, 218, 219 ; Hindei, 209, 210 ; (C.) 

 incrustans, 210 ; nodulata, 206, 207, 

 218 ; nulliporoides, 218, 219 ; ostio- 



