74 ON SOME LARVAL STAGES OF FISHES. 



DESCRIPTION OF PLATES III and IV, 



Illustrating Mr. Cunningham's paper '' On Some Larval Stages 



of Fishes." 



Reference Letters. 



a. b. Air bladder. au. Auditory organ. c. v. Caudal blood-vessels. ht. Heart. 

 int. Intestine, is. h. Interspinous bones. I. Liver, m. b. Mid-brain, pe.f. Pectoral fin. 

 u. b. Urinary bladder, v. v. Vitelline blood-vessels, i/k. Yolk. 



PLATE III. 



Fig. 1. — Larva of Solea vulgaris, from egg artificially fertilized. Hatched April 22nd, 

 drawn April 26th, 1890. Zeiss, a.^, oc. 3, camera. 



Fig. 2. — Larva of Solea vulgaris, hatched same date, drawn April 28th. Zeiss, ag, 

 oc. 3, camera. 



Fig. 3. — Larva of Solea vulgaris, caught in Cawsand Bay, May 14th, 1890. 



PLATE IV. 



Fig. 4. — Larva of Scomber scomber (mackerel), newly hatched. Zeiss, 83, oc. 3, 

 camera. 



Fig. 5. — Cottus bubalis, newly hatched. Zeiss, a^' ^^- 3> camera. 

 Fig. 6. Larva of Mugil chelo (grey mullet). Zeiss, aj, oc. 2, camera. 



