1896.] 



ItXOID BONES OF SESlOB AND NANODBS. 



239 



and were considered by our former Prosectors, Garrod' and 

 Porbes '. 



Their opinion was against its Lorine affiaity, and in my work 

 (now nearly complete) on the Lobiid^ I have excluded it from 

 that family. 



Kg. 2. 



A 



Hyoid of Latkamvs discolor. A. Dorsal aspect ; B. Ventral aspect ; 

 0. Lateral aspect. 



h. Basihyal. 



e. Bntoglossum. 



c. Oup-Iike concavity. 



al. Anterior lateral process. 



pi. Posterior lateral process. 



p. Parahyal process, " 

 hh. Hypobranchial. 

 ch. Ceratobraneliial. 



B. Urohyal. 



The hyoid of Nanodes justifies these judgments, for the parahyal 

 processes, though elongated, do not meet to form an arch, and the 

 entoglossum is peculiar and different in form from those of the 

 LoniiD^ previously examined. 



The hasihyal (6) bears a singularly deep depression on its dorsal 

 surface on either side just behind the origin of each parahyal 

 process (p). The processes are long and slender, and curve 

 slightly towards each other distally, but, as already said, do not 



1 See P. Z. S. 1873, pp. 466, 634, and 1874, p. 587. 



» See P. Z. S. 1879, pp. 168, 171, 174, pi, xvi. figs. 1, 2, 8, 10, 12. 



