EXPLANATION OF THE PLATES. 



Page 



PlateXIV.— A. HeartofTestudoIndica 322 



Fig, 1 — 7. Head and Tongue of the Crossbill (Loxia 



curvi rostra) 459 



Fig. i. Head of the Crossbill; side view. a. tempo- 

 ral muscle ; h. great pyramidal muscle. 



2. Head viewed from below, b. great pyrami- 



dal muscle ; c. c. pterygoid muscles ; d,cL 

 graciles muscles. 



3. Head viewed from the side; a. pterygoid 



process ; b, os omoideum ; c. os quadra- 

 tum ; d, d. os jugale. 



4. Head viewed from behind; a. right tempo- 



ral muscle ; b. great pyramidal muscle, 



5. Lower jaw, side view; a. cavity for articu- , 



lation ; b. b. coronoid processes. 



6. Tongue seen from above ; a. homy scoop ; 



b. b. extensor muscles. 



7. Tongue, side view ; a. horny scoop ; b. ex- 



tensor muscles ; c. flexor muscle. 

 8 — 11. Legs of Gammarus spinipes . . .417 



8. Second pair of hands. 



9. The first leg. 



10. The second ditto. 



11. The third ditto. 



Plate XV. — Ceratitis Citriperda 475 



Plate XVI.— Solea Pegusa 467 



Plate XVn.—Mus Barbarus 472 



