658 



P. W, GAMBLE AND F. W. KEEBLE. 



Table I. — Weed 



Piel^ July 29th, 1898^ Flask A, Air Circulator. — Hippolyte varians 

 behind Piel Castle. Weeds at first brown, then green. 



July 29tli. 



July 30tli. 



10 a.m. 



9.30 p.m. 



$ fasci- 

 gera, light 

 brown 



B. ?, dark 

 brown with 

 white mid- 

 dorsal line 



C. ? , dark 



brown, almost 



black, with 



white dorsal 



line 



D. ? , light 

 olive-brown, 

 without white 

 line 



E. Small, dark 

 blue 



F. Small, blue- 

 green 



Weed 



Halidrys; 



flask left 



uncovered 



Transi^arent 



pale blue-green 



(nocturne) 



Transparent 

 light blue, aut. 



and hind 

 brownish (semi- 

 nocturne) 



Blackish ; 

 pleura of 

 abdomen trans- 

 parent blue 



Light trans- 

 parent blue ; 

 brownish at end: 

 of body 



Fairly 



transparent ; 



clear blue-black 



Bluish 



Covered with 

 black cloth 



1.15 p.m. 



Very 

 transpai'ent, 



greenisli ; 

 head and tail 



brownish 



Light blue 

 dead 



Dead; 

 bluish in mid. 



Light olive- 

 brown 



Dark blue 



Greenish 

 brown 



Uncovered 



3 p.m. 



10 p.m. 



July 31st. 

 9.45 a.m. 



Light clear 

 brown 



Added at 5 p.m. 



/3. ? dark 

 olive-brown j no 



white stripe 



y. ? light 



olive-brown ; no 



white stripe 



Faint olive- 

 brown, not 

 bluish 



Light 



transparent 



blue; brown 



at ends of 



body 



Light 



trausp:\rent 



blue ; brown 



at extremities 



Light 



transparent 



blue; faint 



brown at ends 



of body 



Faint olive- 

 brown 



Greenish 



blue; 



extremities 



brown 



Clear dark 

 olive-brown 



Dead; 



opaque; li| 

 blue 



:bt 



Transparent Dark 



dark blue purplish 



brown; blue 

 at margins 



Weed changed ; 



green Entero- 

 morpha and 

 Ulva added 



Light 

 greenish blue 



j8 and y dis- 

 tinctly darken 

 after 2 iiiins. 

 exposure to 

 gas-light; 

 covered 



Greenish 

 brown 



Weed 

 changed ; 



brown 



Dictyota 



and green 



Ulva; 



uncovered 



