20 



THE UNIVERSITY OF OKLAHOMA 



rodents IcTt liy the prcdac(.(jus hawks and owls of the region. The 

 discovery of Anthoccros more than repaid the loss in cave finds, 

 and hecarnc the chief object of search on the remainder of the 

 I rip. Every nicnilier of th.e party assisted in a dilijjcnt search 

 Of the walls and floors of the ravine as Vv'c returned down the 

 (■'J file, hut no more specimens of the rare "horned li\'erwort." were 

 lal.cn. 



Snl)SLqu':iU rcferciiCv' to the literaUno of ( )l-;hLboma Flora, and 

 consultation with hotanists in ih-j slate, iiulicato tliat this is the 

 first report of the findin;;- of this .i^enus nf liverw irl in Oklahoma. 

 .'V i)rn study by the author is suhmitted herewitli. (Fi.'^urc 1). 



Figure 1. 

 ANTHOl'l'lKl ).S' SP., or "horned liverwort" sliowing prostrate, 

 diclio'iomizing thakus anchored liy rhizoids with erect longitud- 

 inally elea\ing sporophytes. The spores are shed in succession 

 iiloni; the line of cleavage. (Original, from Belle Starr Cave 

 jpecimLU, Hartshorne, Oklahoma, April 23, 1921.) 



IX. NOTES ON THE MIGRATION OF MACROCHELYS 



LACERTINA 



M. M. Wickham 



From the Zoological Lal)orator>' of tlie University of Oklahoma. 



C"ontri])ulion No. 12, Secf.nd .Scries. 



(Al)stract) 



In this paper, record of the migration of a specimen of Macro- 

 rliclys laccrtina (alligator terrapin) is given; covering a period of 



tliree years. Tlie specimen under study Avas c;iptured in .September 



