PLATE XL!. 



Class PISCE S continued. 

 THE COD continued. 



FIG. 1. SKULL : DORSAL VIEW, x f . 



FIG. 2. SKULL : SIDE VIEW, x . 



FIG. 3. BONES OF THE SKULL, DISARTICULATED 



I. Occipital Segment. &. basi-occipital : e. ox-ore ipital : s. supra- 

 occipital. 



II. Parietal Segment. ps. parasphenoid : a. alisphenoid : p. parietal. 



III. Frontal Segment. ps. parasphenoid : /. frontal. 



IV. Pre-f rental Segment. v. vomer : pe. parethmoid : m. mesethmoid : 



n. nasal. 



V. Ear Series. p.o. prootic : s.o. sphenotic : pt. pterotic : e.o. epiotic : 

 o. opisthotic. 



VI. Eye Series. 1. lachrymal : s.or. suborbitals. 



VII., VIlA. Jaws Series. pm. premaxilla : mx. maxilla : pi. palatine : py. 

 pterygoid : ms. mesopterygoid : mt. metapterygoid : d. dentary : 

 ar. articular : a. angular : q. quadrate : sy. symplectic. 



VIII. Hyoid Series. k. hyomandibular : i. interhyal : ep. epihyal : cr. 

 ceratohyal : lip. hypohyal : ur. urohyal : &?. branchiostegal 

 rays. 



IX. Opcrcular Series. op. operculum : p.o. preoperculum : i.o. inter- 

 operculum : s.op. suboperculum. 



