138 Ronald R. Cicerello and Robert S. Butler 



nets, an electroshocker, and an ichthyocide. An effort was made to 

 intensively sample all habitats at each site. Representative specimens of 

 all except two species collected during the current survey were fixed in 

 10% formalin and stored in 35-40% isopropanol. Except where other- 

 wise indicated, they are housed at the Kentucky Nature Preserves 

 Commission pending museum deposition. 



Species composition of 21 mainstem collecting sites were analyzed 

 to determine faunal resemblance using Long's (1963) average resemb- 

 lance formula, in which: 



average faunal resemblance =C(Ni+N 2 )(100)/2NiN 2 . 



C is the number of species shared by sites 1 and 2, and Ni and N 2 are 

 the number of species found at sites 1 and 2, respectively. Resemblance 

 values range from to 100, where indicates that sites 1 and 2 have no 

 species in common, and 100 indicates that sites 1 and 2 have identical 

 faunas. 



RESULTS 

 Based on our collections, museum records, and acceptable litera- 

 ture records, the following fishes are known from the Buck Creek 

 drainage. Scientific and common names and the order of presentation 

 follow Robins et al. (1980). Distribution within the drainage is indicated 

 by the terms "generally distributed", "occasional", and "sporadic" as 

 defined by Smith (1965). Collection site numbers are presented for each 

 species, followed in parentheses by the number of specimens collected (if 

 available). Institutions where specimens are deposited and their abbre- 

 viations are as follows: Cornell University (CU), Eastern Kentucky Uni- 

 versity (EKU), Illinois Natural History Survey (INHS), University of 

 Louisville (UL), and University of Michigan Museum of Zoology 

 (UMMZ). 



SPECIES ACCOUNTS 



Petromyzontidae — lampreys 

 Ichthyomyzon bdellium (Jordan). Ohio lamprey. Occasional in rif- 

 fles in late winter and spring. Sites: 23(1), 24(1), 27(1), 32(-). 



Lepisosteidae — gars 

 Lepisosteus osseus (Linnaeus). Longnose gar. Carter and Jones 

 (1969) reported one specimen from Buck Creek below the KY 80 bridge. 

 Our specimens were collected by gill net over a sloping mud bottom 

 from the lower mainstem where the species occurs sporadically. Site: 

 38(3). 



