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Show 380 MR. R. COLLETT ON THE GREY SEAL. [Mar. 1, Fig. 14. Erastria pallidisca, n. sp., p. 372. 15. Leucania nainica, n. sp., p. 337. 16. howra, n. sp., p. 337. 17. dharma, n. sp., p. 338. 18. bistrigata, n. sp., p. 334. 19. consimilis, n. sp., p. 336. 20. Adisura dulcis, n. sp., p. 368. 21. Erastria marginata, n. sp., p. 372. PLATE XXXVIII. Fig. 1. Neuria simulata, n.sp., p. 343. 2. Apamea cuprina, n. sp., p. 345. 3. Graphiphoraflavirena, n.sp., p. 352. 4. nigrosigna, n. sp., p. 352. 5. Hermonassa sinuata, n. sp., p. 353. 6. Megasema cinnamomea, n. sp., p. 352. 7. Phothedes bipars, n. sp., p. 373. 8. Apamea mucronata, n. sp., p. 345. 9. striyidisca, n. sp., p. 346. 10. nubila, n. sp., p. 346. 11. Ilattia monilis, n. sp., p. 348. 12. cervina, n. sp., p. 348. 13. Acosmetia nebulosa, n. sp., p. 350. 14. Thalpochares quadrilineata, n. sp., p. 370. 15. Caradrina delecta, n. sp., p. 349. 16. Celcena sikkimensis, n. sp., p. 348. 17. Hermonassa chalybeata, n. sp., p. 353. 18. Euplexia distorta, n. sp., p. 354. 19. Cosmia hypenoides, n. sp., p. 354. 20. Dianthecia confluens, n. sp., p. 354. 21. Thalpochares trifasciata, n. sp., p. 370. 2. O n Halichcerus grypus and its Breeding on the Fro Islands off Throndhjems-fjord in Norway. By R O B E RT C O L L E T T , C.M.Z.S. [Eeceived January 28, 1881.] In Norway the Grey Seal (Halichcerus grypus) is found along the entire coast-line as far north as Tromsd. Although it is beyond comparison the most common species of Seal after Phoca vitulina, it can hardly be called numerous; but here and there are special places of resort, where they collect together in the autumn for breeding-purposes. In the most northern parts of the country it is doubtless rare, although our knowledge of the Seals of those regions is very limited. It has, however, been observed at Tromsd (69° 30) by Professor Lilljeborg ; but no reliable observations have been made as to its existence in Finmark proper. One of the principal breeding-places of this Seal is the Fro Islands, outside the Throndhjems-fjord, a group of small low-lying islands, stretching about 50 or 60 kilometres from south to north, at a distance of about 30 or 40 kilometres from the mainland. Besides eight inhabited islands, the group contains an innumerable |