280 
Part I J I. — Eifjlitli Annual Report 
numbers in the mid-water-net, from 26th May to 26th June. Var. 
convexa was found only a very few times in August. 
Thaumantias lucifera, Forbes, T. octona and T. maculata also 
occurred in great numbers from 26th May to the 25th June. T. lucifera 
was also obtained at the end of March. 
Thaumantias quadrata was captured a very few times in August. 
Tima bairdii, Johnston. 
Mid- Water-Net. 
First appearance. — 20th January, 1J inch; reproductive organs almost 
fully developed. 
Last appearance. — 12th December, some nearly 3 inches in diameter, and 
almost ripe. 
Most plentiful. — In September and October, some 1 J inch in diameter in 
September, but no ripe, or nearly ripe forms until December. 
Xone from 9th February to 9th August (Garland), 30th August 
(in Bay). None in November; occurred almost as frequently as 
Margelis ramosa. 
One example, procured at the eud of September, was devoid of mouth 
and peduncle, as in the case of certain other forms previously described.* 
Stomobrachium octocostatum, M. Sars. 
First appearance. — 26th January. 
Last appearance. — 12th December, nearly ripe. 
Most plentiful. — In October, when large but unripe specimens procured. 
In December some about | inch in diameter, nearly ripe, occurred; 
a few times in September, several each time. 
Bottom and Surface-Tow-Nets. 
A very few specimens have occasionally been procured in these nets. 
Forbes found it on the West Coast in July. 
Circe rosea, Forbes. 
Mid- Water- Net. 
First appearance. — 24th January. 
Last appearance. — 18th December, \ inch to less than \ inch; repro- 
ductive organs developing. 
Most plentiful. — InDecemberand March, when many or myriads obtained 
each time. From end of March until beginning of November 
none procured, but from latter to former date of common occur- 
rence. 
Bottom-Tow- Net. 
First appearance. — 21st January. 
Last appearance. — 18th December. 
Most plentiful. — In December and March; but not so frequently found 
in this net as in mid-water-net. 
Surface- Tow- Net. 
First appearance. — 22nd January. 
Last appearance. — 18th December. 
Most plentiful I. — In December and February. 
Forbes found it in the Zetlandic Seas in August — whereas in our 
neighbourhood it is a winter species, and, therefore, in keeping with the 
habit of the original form (Circe camtschatica) discovered by Mertens 
on the coast of Kamtschatka. 
* Fide Ann. Nat. Hist., January 1890. 
