MARINE MOLLUSCA OF MADEIRA. 323 



Kiener, Iconog. p. 180) it as a variety of the variable 

 and "widespread T. sagittiferus, Lam. That is where I 

 would place T. colubrinus ; but abaudoning Gould's species, 

 of which we are certain, we drift into the mare magnum of 

 mere opinion, and dealing here with the local fauna alone, 

 I feel it hest to rest on Gould's nomenclature. 



354. Trochus {Ziziphinus) conulus, 1767, Linne, Syst. Nat. 

 p. 1230 ; Philippi, Conch.-Cab. 2nd ed. it. pt. 3, p. 64, xiii. 

 8, 9 ; Fischer in Kiener's Iconog. vol. xi. p. 121, xl. 1, 

 xlix. 1. Hah. Prom the Agores to Mediterranean and 

 Canaries. (M., L., N., Jn., W.) Pretty common. 



355. Trochus {Ziziphinus) exasperatus, 1777, Pennant, Brit. Zool. 

 it. 126 : Gwyn Jeffreys, B. C. in. 324; & v. 203, lxiii. 3. 

 Sab. From Scotland to Black Sea and Canaries. (M., L., 

 N. Jn., W.) Everywhere ; very abundant. 



356. Trochus {Ziziphinus) granulatus, 1778, Born, Index Mus. 

 p. 337, xii. 9, 10 : Gwyn Jeffreys, B. C. in. 327 ; & v. 204, 

 lxiii. 5. Sab. From the extreme S.W. of Scotland to 

 Mediterranean and Canaries. (M., L., Jn., W.) From 

 Funchal to Labra. Not uncommon. 



357. Trochus {Gibbula) magus, 1767, Linne, Syst. Nat. p. 1228 : 



Gwyn Jeffreys, B. C. in. 305 ; & v. 203, lxii. 1. Sab. From 

 S.W. Sweden to Mediterranean and Canaries. (M., L., N., 

 Jn.,W.) From Funchal to PuutadeSaoLourenco. Abundant. 



358. Trochus {Ziziphinus) striatus, 1767, Linne, Syst. Nat. 

 p. 1230 ; Hanley, Ipsa Lin. Conch, p. 321, pi. v. 7 : Gwyn 

 Jeffreys, B. C. in. 322 ; & v. 203, lxiii. 2. Sab. From 

 Scotland to Mediterranean and Canaries. (M., L., N., 

 Jn., W.) Everywhere ; very ahundant. 



359. Trochus {Ziziphinus) zizyphinus, 1767, Linne, Syst. Nat. 

 p. 1231 : Gwyn Jeffreys, B. C. in. 330, vii. 4 ; & v. 204, 

 lxiii. 6. Sab. From South Norway to Mediterranean and 

 Canaries. (M., L., N., Jn., W.) Everywhere ; pretty 

 abundant. 



360. Trophon fusulus, 1814, Brocchi (as Murex), Conch. Foss. 

 Subap. 1st ed. p. 209, & 2nd ed. n. 199, viii. 9 ; Libassi(as 

 Murex Spado-), 1859, Conch. Foss. Palermo, p. 43, i. 29 ; 

 Bellardi (as Pollia), Moll. terz. Pied. 1. 169, xii. 4 ; Watson 

 (as Murex), 'Challenger' Eep. p. 160; Kobelt (as Trophon), 

 Jahrb. 1887, p. 120, v. 1. In existence from the Upper 

 Miocene onwards. Sab. From the Bay of Biscay and 



