OCR Text |
Show 752 MR. F. DAY ON HYBRIDS [Dec. 19, from the lateral line to the base of the ventral fin. R o w of scales on the upper half of the body very irregular. Colour : O n removal from the water it was silvery with a rich purple gloss, from 7 to 8 irregularly placed rows of black spots were present on the fore part of the body, gradually decreasing in number to 3 or even 2 m the caudal portion; no parr marks on the sides, 4 large black spots on the opercle and 2 more on the cheeks. Fins greyish, darkest in Head of Hybrid Salmon (Tay), rf. the centre, the dorsal with black spots and a white anterior edge. Testicles present but rudimentary, no milt being present. December 24th, 1881, about 20,000 eggs of Lochleven Trout were fertilized with salmon-milt; they hatched on March 9th, 1882, or in 75 days. Of these, on November 15th about 1250 were alive at Howietoun. The largest example was 4 | inches in length, and four of these fish are on the table. B. x. D. 13(-&). P. 13-14. V. 9. A. 11(f). C. 19. L. 1. 116-118. L. tr. 25-26/30-32. Caec. pyl. 61-78. No. 1. No. 2. No. 3. No. 4. Length of example 4-3 3'4 4*1 40 Lengthofhead 0*9 07 0*8 0*8 Length of pectoral fin 08 06 0-6 06 Length from snout to base of dorsal... P7 1*4 1'7 1*6 Length from snout to base of caudal... 3'8 3'0 3*6 34 Diameter of eye 02 0'15 02 0*2 From end of snout 025 0*2 0*2 0*23 Apart 03 027 03 03 Height of body 0*8 0*65 07 07 In example No. 1 the length of the central caudal ray is half that |