503 



BOLETIN DE LA REAL SOCIEDAD ESPANOLA 



Siderosa, 338. 



Silex, 88, 93, 95, 105, 336, 420, 426. 



- amarillo, 129. 



- opaloide, 333. 



Silice, 336, 344, 349, 425, 456, 489. 



- calcedoniosa, 432. 

 Simoceras, 108. 

 Simplocaria * brevistriata, 307. 



- semistriata, 307. 

 Siphonaria Algerisas, 213. 

 Sitaris, 241. 

 Sitarobrachys brevipennis, 241. 



- ** Buigasi, 240. 

 Solen marginatuSj 213. 

 Spartaita, 182. 

 Spelaeochlamys, 463, 472. 

 Speocharis, 463. 



- adnexus, 463, 474. 



- arcanus, 463, 465, 474. 



- autumnalis, 463, 474. 



- Breuili, 464, 466, 468. 



- Cisnerosi, 463. 



- ** Escalerai, 465, 466, 474. 



- filicornis, 463, 467. 



- flaviobrigensis, 463, 466. 



- ** Minos, 466, 467, 474. 



- Perezi, 463, 465, 473. 



- Quaesticulus, 464. 



- quaestus, 464. 



- Seeboldi, 463. 



- Sharpi, 463, 465, 466, 474. 



- Uhagoni, 463. 



- vasconicus, 463. 

 Speonomus, 462, 463, 470. 



- Bolivari, 471. 



- Crotchi, 470, 471. 



- fugitivus, 470. 



- Mazarredoi, 470, 471. 



- ** Oberthuri, 470. 

 Sphagnum, 80, 205. 

 Sphserodus, 254. 

 Sphaerulites, 263. 

 Spirochaeta gallinarum, 160. 



- recurrentis, 160. 

 Spirula Peroni, 1 14. 

 Spondilus gaederopus, 114. 

 Squalus elephas, 341. 



- maximus, 341. 

 Stauronotus, 294. 

 Stenobothrus, 293. 



Stenobothrus comptus, 291. 



- ornatus, 288. 

 Stenogyra decollata, 112, 114. 



- geodallii, 174. 

 Stethophyma, 295. 



- amabile, 292. 

 Strophantus, 175. 

 Strumigenys incisa, 174. 

 Sulfato calcico, 488, 489. 

 Sumba, 288, 289. 



Sus europaeus, 206, 207. 

 Stylocoenia emarciata, 412. 

 Systolederus ** Carli, 397. 

 Tachysphex asgyptiacus, 196, 197. 



- brevipennis, 196, 198. 



- ** Cabrerai, 196, 197. 



- descendentis, 198. 



- ** gracillicornis, 194. 



- Mediterraneus, 195, 196. 



- Myscophus, 198. 



- nigripennis, 195. 



- nitidus, 195, 196. 



- Panzeri, 195. 



- pectinipes, 195. 



- psammobius, 199. 



- pygidialis, 195. 



- ** Saundersi, 195, 196. 

 Tapinoma melanocephalum, 174. 

 Technomyrmex albipes brunnei- 



pes, 174. 

 Tejo, 475- 

 Tcjo'n, 321. 

 Tellina Cumana, 213. 



- exigua, 213. 



- planata, 213. 



- serrata, 213. 

 Terebratula, 277. 

 Tetramorium guineense, 174. 

 Tettix dilatata, 402. 

 Tithonia, 416. 



- Kubseformis Bourgeana, 416. 



- Vilmoriana, 416. 

 Toro, 357. 



* Trachinus vipera, 129. 

 Trechus Barnevillei, 466. 



- Escalerai, 465, 473. 

 Tremella mesenterica, 96. 



* Tremellodon gelatinosum, 346, 



347- 

 Tricholoma, 493. 



