SYNONYMY. 145 



Met alia pectoralis (rout timed). 



Plagionotus pecloralis I Gray, 1855. Cat. Rec. Ech., p. 50. 



" " ! Du.i. Hupg, 1862. Echin., p. GOG. 



" " ! Lutk. 1864. Bid., p. 122. 



« " ! A. Ac; ass. 1869. Bull. M. C. Z., I. p. 275. Straits of Florida. 



" " ! Perrier, 1869. Pedic, p. 178. 



" " ! Verrill, 1871. Notes Radiata, p. 571. 



Eupatagus " D'Arch. Haime, 1854. An. foss. Inde, p. 217. 



Plagionotus Desorii ! Gray, 1855. Cat. Rec. Echin., p. 51. 



" Desorii \ Du.r. HupiS, 1862. Echin., p. 606. 



" " ! Perrier, 1869. Pedic, p. 178. 



" ? Holmesii McCkady, 1857 Plioc. foss. So. Ca., p 9, PL Ill.f. 2. 



" Ravenellianus McCrady, 1857. Plioc. foss. So. Ca., p. 9, PI. Ill.f. 3. 



*Tampa Bay (TV. Stimpson) ; *W. India Islands; Mexico! (Mus. Copenh.) ; Littoral, fragments 

 115 fins. Florida Gulf Stream (Pourtales). 



Metalia sternalis 



Spatangus Brissusmaculosusventricosusl Klein, 1734. Nat. Disp. Ech., PI. XXVI. f. A. 

 Spatangus " " Leske, 1778. Kl. Add., PL XXVI. f. A. (pars.) 



Gualteri, 1742. Inch Test., PI. CIX.f.B; PI. CV Ill.f. G. 



Spatangus sternalis ! Lamk. 1816. An. s. Vert., p. 31. So. Pacific. 

 " sternalis Desml. 1837. Syn., p 388. 

 " " ! Agass. 1836. Prod., p. 184. 



Brussus " ! Agass. 1847. C. R. Ann. Sc. Nat., VIII., p. 13. 



" ! Duj. Hupe", 1862. Echin., p. 605. 



" " ! Mart. 1866. Wieg. Arch., I. p. 182. Red Sea. 



Bryssus " ! Mart. 1869. Decken's Reise, p. 128, PL I.f. 1. Zanzibar. 

 Metalia " Gray, 1855. Cat. Rec. Ech., p. 51. Mauritius. 



Brissus bicinctus ! Val. 1847. C. R. Ann. Sc. Nat, VIII. p. 13. Red Sea. 



" bicinctus\ Gray, 1855. Cat Rec. Ech., p. 55. 



" " ! Duj. Hup^, 1862. Echin., p. 605. 



" areolatus ! Val. 1847 in Agass. C. R. Ann. Sc. Nat., VIII. p. 13. So. Pacific. 



" areolatusl Gray, 1855. Cat. Rec. Ech., p. 53. 



" " ! Duj. Hupe', 1862. Echin., p. 606. 



Xanthobrissus Garetti ! A. Agass. 1863. Bull. M. C. Z., I. p. 28. Kingsmills Islands. 

 Metalia Garetti ! Verrill, 1867. Notes lladiata. 



*Sandwich, *Kingsmills, *Society Islands (Garrett) ; *Samoa Islands (Mus. Godeff.) ; *Mau- 

 ritius (Pike); *Zanzibar (Cheney); South Sea! Isle de France! Bourbon! (J. d. P.); Raines' 

 Inlet! Port Essington ! Reef Attagor! Luzon! Osmaga! (Brit. Mus.); Timor, Flores, New Hol- 

 land (Martens); Philippine Islands! (Semper); New Caledonia ! (Crosse); *Red Sea; Siam ! 

 (Bonn Mus.) ; Upolu ! (Mus. Godeff.). 



MICROCYPHUS. 



Cidaris Klein, 1734. Nat. Disp. Ech. (pars.) 



Microcyphus Agass. 1841. Anat. Genre Ech. (non Agass. 1841, Mon. Scut.), (pars.) 



Anthechinus A. Agass. 1863. Proc. A. N. S. Phila. 



