Pleurobranchaea, Meckel. 



168 Meckeli, Lowe. 

 Pleurobranchus, Cuvier, 



169 plumula, Montg. 



170 membranaceus, Montg. 



171 testudinarius, Cantr. 



172 aurantiacus, Risso. 



173 stellatus, Risso. 



174 Dehaani, Risso. 



175 brevifrons, Phil. 

 Umbrella, Lamarck. 



176 mediterranea, Lamk. 

 Tylodina, Rafinesque. 



177 citrina, Joannis. 



178 Rafinesquei, Phil. 



Order III. Nucleobranchiata. 



Atlanta, Lesueur. 



179 Peronii, Lesueur. 



180 fusca, Eyd & Soul. 

 Oxygyrus, Benson. 



181 Keraudreni, Lesueur. 

 Carinaria, Lamarck. 



182 mediterranea, Per. & Les. 

 Firoloida, Lesueur. 



183 Desmarestii, Eyd & Soul. 

 Pterotrachia, Forskal. 



184 coronata, Forskal. 



185 mutica, Lesueur. 



Order IV. Prosobranchiata. 

 A. Toxoglossa. 



Conus, Linne. 



186 mediterraneus, Brug-. 



187 a. elongatus, B. D. & D. 



188 b. oblongus, B. D. & D. 



189 c. carinatus, B. D. & D. 



190 d. corallinus, Monts. 

 e. luteus, albinus, &c. 



Clathurella, Carpenter. 



191 linearis, Montg. 



192 a. sequalis, Jeff. 

 b. pallida, Jeff. 



193 Leufroyi, Mich. 



194 a. Boothii, Brown. 



195 b. concinna, Scacc. 



196 c. carnosula, Jeff. 



Clathurella, Carpenter. continued. 



197 purpurea, Montg. 



198 a. Philberti, Mich. = bicolor, 



Risso. 



199 b. La Vise, Phil. 



200 c. densa, Monts. 



20 1 d. conformis, Monts. 

 2OI* e. contigua, Monts. 



202 reticulata, Reni. 



203 a. asperrima, F. & H. 



204 b, pupoides, Monts. 



205 c. radula, Monts. 



206 d. horrida, Monts. = pungens, 



Monts. 



207 a. Cordieri, Payr. 



208 granum, Phil. = clathrata, C. & J. 



209 hystrix, Ch. & Jan. 



Mangelia, Risso. 



210 caerulans, Phil. 



211 a. albida, Desh. 



212 b. unifasciata, Monts. 



213 indistincta, Monts. 



214 sicula, Reeve. 



215 Campanyoi, B. D. & D. 



216 Stossiciana, Brus. 



217 scabrida, Monts. 



218 derelicta, Reeve. 



219 Paciniana, Calc. 



220 Vanquelini, Payr. 



221 taeniata, Desh. 



222 costata, Don. 



223 striolata, Phil. 



224 attenuata, Montg. 



225 turgida, Forbes. = nana, Scacc. 



226 multilineata, Desh. 



227 a. pusilla, Scacc. 



228 nebula, Montg. 



229 laevigata, Phil. 



230 a. Ginnaniana, Risso. 



231 brachystoma, Phil. 



232 nuperrima, Tiberi. = hispidula, Mts. 



Teretia, Bucq, Daut, & Doll (emend). 



233 anceps, Eich. 



234 amoana, G. O. Sars. 

 Daphnella, Hinds. (?) 



235 emendata, Monts. 



236 Loprestiana, Calc. 

 Bellardiella, Fischer. 



237 gracilis, Montagu. 



