64 Conservation Department 



iK-ar Belfast (Allegany Co.). Several schools of fry were seen. One 12 inch 

 female taken on this date contained eggs which were nearly ripe. 



Aplites salmoides (Lacepede). — Large-mouthed black bass. Much less com- 

 mon than the preceding species. Warm waters. Locally common in many 

 weedy ])onds. Kather frequent in Honeoye, Hemlock, Conesus, and Silver 

 lakes, especially the first named. Rare in the Genesee river which does not 

 seem to be weedy enough for the fish. Moderately common in Black creek 

 ( Monrc^e Co.). Nearly as fine a fish as the preceding species. July 4, 

 ]\ockville reservoir (Allegany Co.). One specimen contained crawfish, one 

 contained cra\\'fish and a few minnow vertebrae, and one had eaten a horned 

 dace (S'emofilus otromactilatus) 3i/^ or 4 inches long. These bass were 

 about 12 inches in length. 



Pbrcidae Perches 



Stizostedion vitreiim (Mitchill). — Pike-perch, pike, wall-eyed ])ike. ]\fod- 

 erately common in the Genesee river from ]Mt. Morris to Rochester and in 

 some of the lakes. Has been introduced into the Genesee river above Portage- 

 ville falls and at the Belmont dam but is rare in the river above these falls. 

 Sj)ecimens were obtained at Silver lake, Conesus lake, Genesee river 2 miles 

 below Mt. ]\lorris, lower Black creek (Monroe Co.). Occurrence of this fish 

 was rei)orted also in Honeoye lake, in the Genesee Valley Power Co. reservoir , 

 on Wiscoy creek and in lower Canaseraga creek. The pike-perch frequents 

 strong or moderate current in the river. It is more common in still waters 

 of lakes, however. Our specimens came from warm waters. It is a voracious 

 fish. Has excellent flesh and is popular with anglers. The food of 7 speci- 

 mens from 13 to 27 inches long from Conesus lake, Silver lake, and the 

 (Jenesee river in August was: young yellow perch {Perca flavescen^) 52.8%, 

 a(iuatic insects (2 stomachs) 18.8%, suckers (1 stomach) 14.2%, minnows (1 

 stomach) 14.2%. 



Prrca flavescens (Mitchell). — Yellow Perch. Common in lakes and many 

 jionds. Absent in most streams except the largest. Warm waters. Speci- 

 mens were secured in : Silver lake, Conesus lake. Hemlock lake, Honeoye lake, 

 Black creek (Monroe Co.), Genesee river about 10 miles south of Rochester, 

 Genesee river near mouth. A very good food fish and has game qualities. 

 July 24, Hemlock lake, 8 inches. Food: 12 snails (Physa) , 12 crustaceans 

 (/Ii/nlella knickerhockeri) , 1 caddis worm {T rich opt era) . 12 mayfly nymphs 

 (AmeJefiis) , and a fragment of vegetable debris. August 19, Silver lake. 

 Four lai-;^re perch from 10 to 11% inches long had eaten midge larvae and 

 pupae (Chironomus pJumosus) . These fish had been feeding at the bottom 

 in 1.") to 30 feet of water. 



Percina capi'odes (Agassiz). — Log perch, "stone-roller." Large, warm, 

 streams of swift current and hard bottom, usually being found in the 

 shallow parts. Widely distributed but rare. Dykes creek (Allegany Co.). 

 \:u\ Campen creek (Allegany Co.), Genesee river (Letchworth Park, 2 miles 

 above Mt. ^Morris, 10 miles a])ove Rochester). September 4, Genesee river 

 about 10 miles south of Rochester. A large specimen 4% inches long (taken 

 from tlie stomach of a northern ])ike) contained 7 crustaceans (Gammarus) , 

 .'{ cacblis larvae (Trichoptera) , 7 midge larvae (Chirouomidac) , and an uni- 

 tlentificd insect ]>upa. 



Uddropfcrus' niaciilahis (Girard). — Black-sided darter. Widely distributed 

 ill the (ienesee river liut rather rare. Warm waters. I'sually found in 

 shallow, swift water where the l)ottom is rubl)le or bedroek. Ajqjarently 

 absi'iit in small streams. Genesee river: below Belmont dam. at Belvidere 

 (Alh'gany Co.), 2 miles above Mt, Morris, i/^ mile Inflow Mt. Morris, about 

 10 miles above Rochester. .Inly 7, near Mt. Morris, 1% inches. Food: 

 midge larvae {Chironomidac) and a small mayfly nymj)li (Ephemcrida) . 



liolcos-onia vi(/rum ( Kafinescpie) . — -lohnny darter. jNIoderately comnnm. 

 Warm stieams. Inhabits both swift an-d sluggish current and, unlike most 

 (hi Iters, is often taken oxer a liottom of mud. September 2. Bhick creek 

 (.\biiiroe Co.). 2-ys inches. Food: about 30 midge larvae (Chiroiioniid<ie} . 



Catonotus flahcllaris (Rafines<jue) . — Fan-taih'd darter. Common. Rapid, 

 shallow streams of warm or cold waters and hard bottom. Shows a prefer- 

 ence for smaller streams but occurs also in the CJenesee river, though rare 



