INDEX. 



759 



Solariella aureonitens, 595 ; trochoides, 

 600. 



Solarium, 605 ; hybridum, 606. 



Solenolambrus, charac. of, 668. 



Solenopsis geminata, 676. 



Somileptes, 539, 563, 579 ; bispinosa 

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

 spina (ftnote), 555. 



Sonsino, Dr., on Filarige, 361. 



Sparsispongia, 190, 229. 



Speckled Cod, 689. 



Sperlepes rubra, skull of, 718 ; salmo- 

 nea, skull of, 718. 



Sphserechinus, 434. 



Sphseroidea, charac. of, 179. 



Sphserospongia, 229. 

 ■ Sphserozoa, 166. 



Spheerozoida, 173 ; charac. of, 179. 



Sphserozoum, 138, 159, 168, 172, 179 ; 

 OTO-di-mare, skeleton of, 148. 



Sphecotheres Salvadoril, 687. 



Sphegidse (Sandwich Is.), 676. 



Sphenocarcinus, charac. of, 663. 



Spirillina, 178. 



Spirorbis lucidus, 127. 



Sponges compared with Stromatopora, 

 229. 



Spongia steUata, 229. 



Spongida (Eadiolaria), charac. of, 176. 



Spongoastericus, 176. 



Spongocyclia, 154, 176. 



Spongodictyum, 155, 168. 



Spongodiscida, 175. 



Spongodiscus, 154, 176. 



Spongosphsera, 155, 168. 



Spongosphgerida, 175, 176. 



Spongotrochus, 176. 



Spongurida, 173 ; an unnatural group, 

 175. 



Spongurus, 154, 170, 176. 



Spyridobotrys, 178. 



Staurolithium, 153, 177. 



Stellaster Belcheri, 430, 433. 



Stellispongia, 229. 



Stenocionopinse, 652. 



Stenocionops, charac. of, 652. 



Stenophylax, 730. 



Stenorhynchus, charac. of, 643. 



Stephanastrum, 154, 176. 



Stercorariinse, 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 ; pomatorliuius, 392. 



Sterna albigena, 402 ; aleutica, 403, 

 405 ; ansestheta, 404, 405 ; anglica, 

 403 ; antarctica, 402, 406 ; balsena- 

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



402 ; caspia, 401 ; Dougalli, 403 ; 

 elegans, 401 ; eurygnathus, 401 ; flu- 

 viatihs, 401 ; frontaUs, 402 ; ftdigi- 

 nosa, 404, 405 ; hirundinacea, 402, 

 406 ; lunata, 404, 405 ; macrura, 

 401 ; magnirostris, 403 ; maxima, 

 401 ; media, 401 ; melanauchen, 403 ; 

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

 seena, 403 ; trudeaui, 403 ; vu'gata, 

 402. 



Sterninse, geogr. distrib. of, 390, 401. 



Steropsocus immaculatus, 733. 



Stichocyrtida, charac. of, 178. 



Stictoploea, 301 ; binotata, 303 ; doles- 

 chalii, 303 ; euphon, 303 ; gloriosa, 

 301; grotei, 302; harrisii, 302; 

 hopei, 302 ; immaculata, 303 ; in- 

 conspicua c? > 302 ; insequalis, 302 ; 

 lankana, 302 ; lietifica, 302 ; micro- 

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

 pelor, 303 ; picina, 302 ; sclilegelii, 

 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. 



, aiEnities, 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- 

 actinelUd nature of, 230 ; history and 

 hterature, 188 ; horiz. laminse, 205 ; 

 horny, 197, 229 ; internal constitu- 

 tion, 203; introductoiy 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- 

 pora, 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.) 

 incrustaus, 210 ; nodulata, 206, 207, 

 218 ; nulhporoides, 218, 219 ; ostio- 



