Scientific Investigations. 7 



2. Size at maturity. 



3. Distance of the dorsal fin fioni the end of the lower jaw (mouth 

 closed). RD (Fig. 1). 



4. Distance of the ventral fin from the end of the lower jaw 

 (mouth closed). RV (Fig. 1). 



5. Distance of the anus from the end of the lower jaw (mouth 

 closed). RA (Fig. 1). 



6. Length of the base of the anal fin. 



7. Length of the base of the dorsal fin. 



8. Lateral length of head, viz., from the point of the lower jaw 

 to the hindmost point of the gill-cover. Icpl. (Fig. 1). 



9. Form of snout. 



10. Upper length of skull. Icr. (Fig. 2). 



Fig. 2. — After Heincke. Measurements made on Clivjjea harenyas. Skull. 



Fig. 3. — After Heincke. Measurements 

 made on CliipeK hareiigits. Skull. 



IL Breadth of skull, e.g. It. or. ocl., and It. cr. op. (Fig. 2). 



12. Shape of head. Length -breadth index of the skull. 



13. Length of trunk. 



14. Length of tail. 



