LItir OF LOCAL FISHES 101 



6. Carcharhinu.'^ obscurua (Le Sueur). Dusky Shark. Has been re- 



corded. Its status is uncertain. 



7. Carcharhinus milherti (Mul. & Hen.) Brown Shark. Common. 

 Mid-June to mid-September. Almost all adults females. 



8. Carcliarhimis comniersonii. Blainv. Cub Shark. Males un- 



common in late summer (August). 



9. (Uircharhinus Umbatus (Mul. & Hen.) Edged Shark. One record. 



Mr. Edwin Thorne of Babylon, L. I., has the jaws of a large 

 specimen which he took in Great South Bay in midsummer 

 several years ago. July 14, 1910. 



Family SPHYRNIDiE 

 (Marine) 



10. Sphyrna zygccna (Linn). Hammerhead Shark. Uncommon. 

 July to September. 



Family ALOPIIDiE 

 (Marine) 



11. Alopias vulpinus (Bonnaterre). Thresher Shark. Occasional. 



April to July 24 (1918, Islip, J. T. N.) 



Family CARCHARTID.E 



(Marine) 



12. Carcharias littomli.^ (Mitch.) Sand Shark. Common. June to 



October. 



Family LAMNIDJE 

 (Marine) 



13. Isurus tigris (Atwood). Mackerel Shark. Accidental. October. 



14. Carcharodon carcharias (Linn.) White Shark. "Man-eater." 



Accidental in summer. June to July 14, 1916. 



Family CETORHINIDtE 

 (Marine) 



15. Cetorhiniis tnaximus (Gunner). Basking Shark. Accidental. 



Family SQUALID.E 

 (Marine) 



16. Squalus acanthias Linn. Spined Dogfish. Not uncommon. 



October to April. Rarely occurs in summer. 



