2;)N SCLEnODKIiSII. 



p. 4{fJ ; Laci'p. i. p. 4()8 ; ILJIard, Ami. Sc. Xat. IB-j?, vii. p. 148 ; 



iV/(7/, liepcrt. Fis.-ndt. C'ttba, ii. p. 4.'j9. 

 Ostracioii lister, Laccp. i. p. 408, pi. 2;>. fig. 2 (cop. Wilhifilihy). 



sex-cornutiis, Mitchill^Anicr. Monthlij Mmj. ii. p. o28. 



Lactopliiys f-t-xooriiuliir^, S/uro; Moii. Am. Ac. ii. p. 408. 



Ostifuidii inacuiatus, llolhtrd, I. c. p. 14'J. 



niiii<lriconiis, tricornis, g-uinooiisis, gronovii rt iiolafmitli'.i-i, 



lilccL Xcd. 7>/.s. ])in-h: ii. p. 298; VvrhumJ. Hull. M,Ntl^rh. 



][(tttrlc»i, 18()2, (h(i)ic(i, p. 20. 

 (Acnntlioslracioii) qiiadricornis, 2>/«'A--. AH. Ichth. v. p..'!2. 



(';irap;ice lluve-ridgcd, with a flat prominent spine on cacli ventral 

 rid;;.' opposite to the dorsal fin, and with a pr.ir of horizontal conical 

 snpraorlii^al spines pointing straight forwards. Sometimes a spine 

 in the middle of the dorsal ridge. The carapace forms a continuous 

 l)ridgo across the back of the tail, behind the dorsal fin, and frc- 

 ([uently, especially in young specimens, terminates in a median spine. 

 Iiiterorbital s])ace deeply concave. Caudal fin long, much longer 

 than the head, the rays being much branched. Each scute of the 

 carapace with a bluish spot or ring, or with fi light, brown-edged 

 ocellus ; sometimes the ocelli or brown edges of several scutes con- 

 Ihient, and forming irregular wavy markings. Cheeks with reticu- 

 lated l)ro\vn lines or four or five parallel luu'izoutal brown bands. 



Tropical jjarts of the Atlantic. 



<i. Young. "West Africa. From the Colic ction of Mrs. Eurton, 



(>. Half-grown. St. Croix. Purchased of ]Mr. Stevens. 



r. Several half-grown and young examples : skins. Jamaica. 



rur.liascd of Mr. Parnell. 

 '/. Vlalf-growii. San Domingo, rurcliased of ^Mr. Cuming. 

 f,f-ff, Ji~i. Half-grown. Ijahia. From Dr. Wucherer's Collection. 

 /■. ]|.rariy adult, half-grown, and young examples : skins. West 



Indies. 

 /. Manv adult (10 inches), halt-grown, and young examples: 



skins. H;i1ni:,t — • '' 

 in, n-(i. Half-grown. 



V(,riefi/ ti.'ith dorsal spine (0. notacanthus, JUcr/,-.), 

 ■/) >/. H.ili-grown. St. Helena. Presented by J. C. ^Melliss, Esq. 



This form d<\scrvcs to be distingnislied as a varicfv, allliough 

 extimiiles fivmi llic Wist Indies with an indication of the dorsal 

 spine ai'i- liy no mcaTis uncommon. The other s))ecies projjosed by 

 Dr. l;l(('lccr cannot be nuiint;;ined even as varieties. 



5. Ostracion gibbosiis, 



Ostvncion alti'r, Aldrov. iv. p. 5r;l fcop. bv Jo))<!oii, tab. 2~. ti>'. C, and 



by /r///,^////%, tal). JO. iig. 1). 

 Ostracion, s])., Arfcdi, Si//i"ii. ]). 88. no. 2, and f/r/U' ra, ]). ■"). no. 2. 

 Ostracion gibl)osus, L. Si/st. Nat. i. p. 40'.). 

 Vidfut. P11. .-iOC, 42-"), fiMx. I.V.), 2(i2; 7:>n/.<r/,. p. 0. lal.. •".. Ii' :. .".,;); 



Rr;.:.-d, ii. f.,1,. (',. fl;.-, -^t, t.'d). 0. fi--. 4'-,. 



