342 



PROFESSOR FRANK J. COLE 



d.^esxt. 

 d.t. 



d.t: 



e.l.h. 

 e.l.b: 



f.r. 



g-b. 

 g.i. 



h.c.g. 



h.c.t/.' 



h.c.g." 



h.c.p. 



h.g. 



h.p. 

 h.p.' 



h.p." 



hy. 



hyp. 



i.b.p.' 



i.c.b. 

 Lib. 

 i.l.c. 



inf. 



int. 

 I.l.c. 



l.lg. 

 l.lg." 

 l.lg." 



l.p. 

 l.p.c. 



mc. 



m.e. 



mes. 



mes.' 



Ductus oesophago-cutaneus. 

 Median dorsal tooth. 



Curved median bar of soft pseudo- 

 cartilage, containing nodules of true 

 (soft) cartilage, arising from the base 

 of the median dorsal tooth, and curving 

 backwards round the anterior margin 

 of the palatine commissure to be 

 attached to the posterior extremity of 

 the subnasal bar. 



External bar of the anterior segment of 

 the basal plate. 



External lateral velar bar. 



Short rod of soft cartilage connecting 

 e.l.b. with the posterior extremity of 

 the inferior process of the '' pterygo- 

 quadrate." 



The four fenestrse of the skull. 



The so-called "fin rays" composed of 

 soft cartilage. 



Gall bladder. 



Gill lamella. 



M. hyo-copulo-glossus. 



Anterior end of "tendon " of h.c.g. 



"Tether" of /(.C.J7. 



M. hyo-copulo palatinus. 



Habenular ganglion of the diencephalon. 

 The shaded portion is the pineal organ. 



Hypophysial plate. 



Rod connecting h.p. with the posterior 

 transverse bar of the nasal capsule. 



Hypophysial plate + the fused rod h.p.' 



" Hyoid " arch. 



Hypophysis cerebri. 



Internal bar of the anterior segment of 

 the basal plate. 



Inferior chondroidal bar. 



Internal lateral velar bar. 



Inferior lateral cartilage. 



Infundibuliim cerebri. 



Intestine or mid-^ut. 



Lateral "labial" cartilage. 



M. longitudinalis linguae, 



Peripheral tendon ) j. , , 



Central tendon. ) 



Lateral plate of the nasal capsule. 



Large left posterior cardinal vein. 



Mesocoble, or mesencephalic ventricle. 



Mesencephalon. 



Median dorsal mesentery. 



Ventral fusion of rectum with body wall 

 forming a rudimentary median ventral 

 mesentery. 



mes. 



mt.e. 



mth. 



n.a. 



na.ph. 



nas. 



n.c. 



n.r.8 



nt. 



n.th. 



o.a. 



obi. 



oes. 



o.l. 

 par. 



pc. 

 p.d.p. 



p.e. 

 p.e.p. 

 p.e.s. 



p-g- 

 p-g' 



p.h. 



p.h.d. 



p.h.v. 



pi. 



pl.c. 



pl.c! 



pi. cm. 



p.l.l. 



pn. 



pp. 



p.q. 



p.t.v.b. 



p.v. 



q.p. 



q.p.' 



red. 



r.intest.X. 



r.p.c. 



s.ao. 



s.d. 



s i.v. 



s.l.c. 



sn.b. 



sp. 



sjy.cd. 

 sp.slc. 



Oblique dorso-posterior extension of 



above fusion. 

 Metencephalon. 

 Mouth. 



External opening of the nasal tube. 

 Naso-pharyngeal or hypophysial tube. 

 M. nasalis. 

 Nasal capsule. 

 , Eighth ring of the nasal tube (cp. Part 



HI., fig. 1). 



Chorda dorsalis. 



Nasal lube. 



Oral aperture. 



M. obliquus. 



"Oesophagus," or properly the pharyn- 

 geal gut. 



Olfactory lamina. 



M. parietalis, forming the myotomes. 



" Parachordal " cartilage. 



Posterior arch of the dental plate. 



Prosencephalon. 



M. palato-ethmoidalis profundus. 



M. palato-ethmoidalis superficialis. 



Porus genitalis (abdominal pore). 



Thickened fibrous band surrounding the 

 porus genitalis. 



Portal heart. 



Posterior hepatic duct. 



Posterior hepatic vein. 



"Palatine" bar. 



External head ) of the M. palato-cor- 



Internal head / onarius. 



" Palatine " commissui-e. 



Posterior lobe of the liver. 



Pronephros. 



M. perpendicularis. 



" Pterygo-quadrate." 



Posterior transverse velar bar. 



Portal or supra-intestinal vein, 



M. quadrato-palatinus. 



Tendon of g.p. 



M. rectus. 



R. intestinalis vagi. 



Smaller right posterior cardinal vein. 



Dorsal or systemic aorta. 



Segmental duct. 



Sub-intestinal vein. 



Superior lateral cartilage. 



Subnasal bar. 



Spermatic portion of the hermaphrodite 

 gonad. 



Spinal cord. 



Suprapharyngeal skeleton. 



