.^^ipiPEisriDi:^^ 



ADDITIONS AND CORRECTIONS. 



Page 3: JJudev Myxine a ustralis. Add to syuouymy: 

 Myxine niiatralis, Gunther, Challeugcr Reiiort, vi, 1880, 23. 



Page 6: For tlie Key to tbe Squali, substitute tlie following, by Dr. Gill: 



KEY TO THE DEEP-SEA FAMILIES OF ANARTHROUS SQUALL 



I. Auiil lin lacking; vertelir:L> tcctospondylic. 



A . No siJiucs in front of dorsal fins ScYMNORHiNiDiE 



B. Each dorsal fiu preceded by a Bpine Si>inacii>.e 



II. Anal lin present; vertebra- asterosiiondylic. 



A. Dorsal fins -two, without antecedent spines, tbe first above or behind the ventrals.. .Scyllioriiixid^ 



B. Dorsal fins two, without spines, the first in advance of ventrals; caudal crescentic, with a keel on 



each side of its stem ; gill openings enormous Cetorhinid^ 



Page 7: Sci/mnns lichia. Vinciguerra obtained three examples in tbe Gulf of Genoa, 

 July 20, 1879, at a depth of about GOO meters (Crociere delle Violante, 21). 



I'ageS: Somuiusus microcephahis. According to Giiuther, Striim and (Jollett, Somniosiis 

 microcephalus is found oft" the coasts of Norway at depths of 150 to .'>00 fathoms. 



Page 9: Paracentroscylliitm ornatum, Alcock, 111. Zool. Investigator, Fishes, PI. viii, 

 fig. 2. 



Page 10: Etmoytcrus spinnx. Add to synonymy: 



Spinax Gunneri, Reinhardt, Kou. Dausk. Vid. Selsk. Forh., 1824-27 (1828), p. xvi. 



According to Strom, this form occurs off Norway at depths of from 70 to 300 fathoms 

 [Kon. Norsk. Vid. Selsk. Skr., 18S3, 45]. 



Viuciguerra obtained twenty-two specimens in the (iulf of Genoa, at about (500 meters, 

 July 20, 1879 (Crociere delle Violaute, 20). 



Striim reports it from 70 to 300 fathoms in Trondhjems Fiord [Norsk. Vid. Selsk. Skrift., 

 1884, 44.] 



Page 11: After GentroscylUuiu add: 



PARACENTROSCYLLIUM, Alcock. 



ParacintroacyUimn, Alcock, Ann. and Mag. Nat. Ilist., 1889, November, 379; Bathybial Fishes of the Bay of 

 r.engal, 1890, 5. 



Two dorsal tins, each with a strong spine. No anal tin. Mouth crescentic, with a 

 direct obliciue groove at each angle. Teeth equal in both jaws, minute, simple, monocuspid, 

 straight. No membraua nictitans. Gill openings rather wide. Integument smooth. — Alcocl: 



Three specimens of tlie single species, P. ornatum, Alcock, loc. cit., were found iu the 

 Bay of Bengal, "Swatch of No ground," 283 to 405 fathoms, by the Inecstigator. 



Page 12: Ceittrophonis. For Cenfrophorus granulosus read C. ui/atus (Eaflnesque). 

 Bellotti demonstrates that Acanthias i(y((tus (Raf ), M. & H. is the young of Centrophiriia 

 granulosus, and states the young and old are abundant about Nice. 



507 



