ADDENDA 17. PRISTID^E PRISTIS. 875 



iu our waters. "Lamna punctata" Storer is doubtless based on Lamna 

 cornubica, with which species Kafinesque's description of Isurus ox- 

 yrliijnclms is identified by Doderlein. This species should probably 

 stand as J. spallanzanii Eaf. (Indice d'lttiol. Sicil. 45, 1810). 



Page 30. The reference to the generic description of Carcharodon 

 should be 



(Smith MSS. ; Bonaparte, Mem. Soc. Neufch. ii, 9, 1839 : type Carchardon smitliii Bon, 

 = C. carcharias. ) 



Page 30. Instead of C. rondeletii read: 



38. C. carcSiai'ius (L.) J. & G. 



To its synonymy add : 



(Squahts carcharias L. Syst. Nat. i, 400, excl. syn. pars: Carcharias verus Agassiz, 

 Poiss. Foss. iii, 91, 1836.) 



Page 31. The reference to Cetorhinus should be 



("Blainville, Bull. Soc. Philom. 1816, 121.") 



No. 39 should be- 



39. C. EuaxiiBBUS (Gunner) Blainv. 



and to the synonymy should be added : 



(Sqtialiis maximiis Guuner, Troiiclj. Selskschr. iii, 33, 1765.; 



Page 31. The family BMnodontidcB and its species, Micristodus punc- 

 tatus, should be omitted, as they do not belong within our fauual limits. 



Page 32. Instead of 31, Gyr&pleurodm, read: 



31. HETEKODONTUS Blainville. 

 (Blaiiivillc?, Nonv. Bull. Scienc. 1816, 121: type Squalus phillipi Lac.) 



The characters of the genus are equivalent to those of the family. The 

 American species should stand as 

 41. II. frasicasci (Grd.) Gill. 



It is abundant on the coast of California from Point Coucepciou south- 

 ward. 



On page 3-7, instead of Pristis antiquorum, read: 

 44. P. pecilsiatnis Latham. 



And read in the description, "rostral teeth in 25 to 28 pairs" (instead 

 of 1C to 20, the number found in P. antiquorum ; we find no authentic 

 record of the occurrence of the latter species in our waters). P. pecti- 

 natus occurs in the Tropical Seas, north to our South Atlantic coast; 

 abundant in the Gulf of Mexico; ascending the Lower Mississippi. 



(Latham, Trans. Linn. Soc. ii, 298, 1794; Giinther. viii, 437.) 



