ADDENDA TO MARSIPOBRANCHII, ELAS- 

 MOBRANCHII, ETC). 



Note. — The first forty-one pages of the present work were printed in 

 the spring of 1879, more than a year before work was resumed on the 

 remaining i^art. Meanwhile numerous additions have been made to oiu' 

 list of sharks, which may be noticed liere. A few errors may also be 

 corrected. 



Page 2, last line: For " Epigonopterus''^ read Upigonichthys^\ 



Page 3: For "^. caribwum^^ read "1. J>. lanceolatum (Pallas) Gray". 

 The Laucelet occurs also on the coast of Southern California. 



Page 6: For "3. B. stouti Lockington" read: 

 " 3. B. doniBjeyi Miiller. 



" Plum-color or purplish, the edge of the lower fold only pale. Gills 

 usually 12-11. Teeth 10 in each series. L. 20 inches. Snout 20 times 

 in total length; head to first gill- opening 41; branchial region 8; tail 

 8. Coast of California and southward ; not rare. Burrowing from the 

 gill-oi)enings or the eyes into the flesh of large fishes, and soon leaving 

 nothing except the head, skin, and skeleton. 



'' {Gantrohranche donibey Lac. ; Miiller, M6ai. do I'Acad. Berlin, 1834, 80: Bdellostoma 

 polytrcma Grd.; etc.)" 



Page 7 : Lampetra (Entosphenus)* tridentatus and L. plumhea are per- 

 haps generically distinct, as the lingual teeth in the former are pectinate 

 and in the latter obscurely tricuspidate. The diagnosis of Lampetra 

 should be modified accordingly. 



Page 8: "5. L.epihexodon''' und '■'■Q. i. as^ori" should be suppressed, 

 as they are probably identical with E. tridentatus. 



Page 13: For " GinglymostomatidvE " read "Scylliid^"; and 

 under "i" for "ventrals" read " i:>ectoral". 



Page 15 : Somniosus microceplialus is abundant on the Pacific coast 

 from Cape Flattery northward. Twelfth line from the bottom : For 

 "pectorals" read "ventnds". 



Page 17: Instead of "Family VI. — Ginglymostomatid(c^\ etc., read: 



. ! 



* Gill, MSS. Proc. Ac. Nat. Sci. Pbila. 1862, 33, not characterized, (evrog, within ; 

 ciprjv, wedge; from the small maxillary tooth wedged in between the others.) 



57 



