Gr. H. F. Nutt all 
399 
<$ 3. Days 1-7 fixed; on the 8th he had shifted 5 cm. to join $ 5 with which he was seen to copulate 
on the 11th; she dropped on the 13th and he stayed fixed on the same spot until day 04 when 
he was removed. 
J 4. Days 1-5 fixed; on 6th had shifted 4 cm. to join $ 7 which dropped on 12th whilst he re¬ 
mained fixed until 13th; on 14th ho shifted 10 cm. to back of scrotum joining 9 3 which he 
abandoned on 20th, anchoring himself 12 mm. away where he remained fixed till 30th when 
heshifted 13 cm. to front of scrotum; he subsequently anchored himself on seven different spots 
within a circle of 3-5 cm. diameter, after having moved 18 mm. on 33rd. 22 mm. on 35th, 
11 mm. on 45th, 24 mm. on 54th, 1 cm. on 56th, 6 mm. on 120th, 2 cm. on 139th day. 
S Days 1-5 fixed; on 6th had shifted 4 cm. to join ? 2 which he abandoned on 13th, being found 
anchored in front of scrotum 8 cm. away. He remained fixed and alone, shifted 10 cm. to 
back of scrotum on 17th and remained fixed till 22nd when he was found wandering and 
excited; he was now put to anchored $ 9 which he fertilized. This female dropped on 27th 
but he stayed fixed till 36th when he shifted 15 mm., after which he shifted 4, 10, 14, 8 and 
5 mm. respectively according to records made on days 48, 51, 110, 121, 139. 
$ 6. Days 1-4 fixed; on 6th had shifted 3-5 cm. to join $ 8; on 11th copulated and on 13th 
abandoned her, shifting 9 cm. to front of scrotum; q lost on 14th. 
7. Days 1-10 fixed; on 11th had shifted 3-5 cm. to join $ 4 (copula); on 13th had abandoned 
her and shifted 16 cm. to front of scrotum; on 19th he had shifted 13 mm., after which he 
shifted four times within a small area, i.e. 6, 3, 4 and 5 mm. respectively on days 41. 47, 56, 
64, remaining afterwards fixed till 139th day. 
£ 8. Days 1-14 fixed; on 15th shifted 7 mm., on 21st shifted 10 mm. to near a $ with her male; 
on 23rd shifted 9 mm., on 24th shifted 5 cm. to front of scrotum, on 27th shifted 11 mm., 
and on 29th 5 cm. to back of scrotum; thereafter, always alone, he shifted nine times within 
a small area, i.e. 11, 10, 5, 12, 14, 5, 12, 11 and 10 mm. respectively on days 36, 38, 47, 52, 
56, 61, 97, 121, 123, remaining fixed thereafter till 139th day. 
Records relating to H. aegyptium Females Nos. 1-9. 
Female Female Eggs 
dropped ceased began 
from host laying to hatch 
on day 
on day 
on day 
$1. 
Days 1-10 fixed, alone; on 10th nearly gorged, on 12th gorged. 
No was seen to approach but she was fertilized 
18 
65 
56 
$2. 
Days 1-5 fixed, alone; on 6th approached by $ 5; on 7th gorged; 
on 10th copula; on 13th the <$ gone 
14 
57 
50 
$3. 
Days 1-4 fixed, alone; on 11th slightly gorged; on 14th joined by 
4, copulates and'begins to feed; on 20th gone 
21 
85 
71 
$4. 
Days 1-10 fixed, alone; on 11th she joins $ 7 and copulates; on 
13th $ gone; on 18th she is fully gorged ... 
19 
90 
70 
$5. 
Days 1-7 fixed, alone; on 8th joined by ^ 3; on 10th she is 
gorged and on 11th copulates 
13 
61 
51 
$6. 
Lost 
?7. 
Days 1-5 fixed, alone; on 6th joined by <$ 4; on 9th she is £- 
gorged and copulates on 10th ... 
12 
64 
58 
$ 8. 
Days 1-2 fixed, alone, but near $ 5; on 3-5th alone; on 6th joined 
by £ 6; on 11th copulates; on 13th <$ gone and she is partly gorged; 
on 15th she is fully gorged ... 
17 
57 
50 
$9. 
Put on ram on day 17 near $ 5; on 20th alone; on 22nd put 
excited wandering £ 5 to her; he stayed with her until she dropped 
and did not shift for days after. She dropped 27th (10th day after 
being put on ram) 
27 
85 
73 
(10) 
(68) 
(56) 
26 
Parasitology xi 
