Uiuitlii l.iiki- r'liliiS 283 



Scrrac. Structures resembling saw teeth. 



Serrate. Possessing serrae. 



Snout. Anterior portion of the head. Measureil from the tip of the snout to the 



front margin of the eye. 

 Soft fills. Fins with soft rays only, designated as soft dorsal, etc. 

 Soft rays. Kays that are soft, finely segmented and commonly branched at their 



tips. Fig. 179. 

 Spines. L'nsegniented rays, commonly hard and i>ointed. Fig. ijtj. 

 Spiracle. An opening in the head of some fishes, al)ove and anterior to the gill 



opening. 

 Sub. In word comjxjsition means below, somewhat, not (juite, etc. 

 Superior. As applied to the mouth, means that it ojiens in a more dorsal or 



upward as opposed to anteriorly facing or ventral direction. 

 Supplemental ma.villary bone. .\ small bone along the upper edge of the maxillary 



bone, closely united with it. 

 Tail. The jiart of the fish ])osterior to the anal fin. comiKised of the caudal 



peduncle and the caudal fin. 

 Terete. When applied to the bo<ly, means cylindrical or tai)ering. 

 Terminal mouth. The mouth is so designated when situated in the horizontal axis 



of the head with neither chin nor snout projecting. 

 Thoracic, .\pplied to the ventral fins when they are far forward, close to the 



pectoral fins, and the pelvic arch is attached to the pectoral arch. Fig. \~i). 

 Truncate. .Applied to the caudal fin. when its jxjsterior margin is nearly straight, 



as if cut ofT. 

 I'ent. Posterior ofKjning of the alimentary canal; the anus. 

 I'eiilral fins. Posterior i)aire(l fins, attache<l to the i)elvic girdle: calle<l also jMrlvic 



fins. Fig. 179. The ventral fins are considered alKlominal in |Misition when 



they are nearer to the anus than to the pectoral fins. 

 I'entral line. .\n imaginary me<lian line on the ventral surface of a fish. 

 I'ertebral column. The series of vertebrae funning the liacklMtne or sjiiiial column. 

 I'illiform teeth. Minute teeth crowded in velvety bands. 

 Vomer. Rone of the anterior part nf ihe r<Mif of the nmuth : comiuciiily triangiilar 



.ind iiften with teeth. 



ANNOTATED LIST OF ONEIDA LAKE FISH 

 i'.y (iiAKiKs C XoAMs and T. I.. Hankinson 



Pctromyzon marinus l.imiaeus. I.akt. I.ami-ki v. I.ampkk. I.ampkr l-ln., 

 Lami'REV. The I-ake I-unprey is a very abundant and harmful s|>ccics whicti 

 attaches itself, by means of its oral disc, to the Ixvlies of fishes and sucks their 

 bIoo<l. Fre(|uently it att.nches itself also to tlie l)ottoms of moving launches and 

 row-lniats. This is a land-liKked form considere«I to Ik" the same s|»cx-ios as the 

 (ireat .^ea I-nmprey. It is proliably safe to stale that in the course of the year tons 

 of fish are killed by lampreys in Oneida I -ike. yet no systematic cflTort has liccn 

 Jiude to control this i>est. 



Hreeilinij Habits and Life History. Our knowledge of its breetling Itabits 

 and life history is due mainly to the stu«Iies by r».-igc ( 't)2) and Surface (V, Vjq) 

 r.f lii.u.r.v c .,f the ("aytiga I-ake bn^i" I imor-v. .1.. not breed in lakes but upon 



