157 
LINCOLNSHIRE DIPTERA: A PRELIMINARY LIST. 
PERCY H. GRIMSHAW, F.E.S., 
Natural History Department, Edinburgh Museum of Science and Art. 
_ Tue following list of Diptera, collected by my friend the Rev. 
Alfred Thornley, M.A., of South Leverton, Notts., is published 
exactly on the same lines as my previous paper on the 
Nottinghamshire species in the present volume (pp. 89-103). 
The majority of Mr. Thornley’s specimens in the present paper 
were taken in two small detached areas, one on the coast, 
Ss ‘ 
side of the Trent, including the coast-line from Saltfleet 
southwards to Sutton-on-Sea. few records are also given 
from Kirton Marsh, a salt marsh on the estuary of the 
Witham, a few miles south-east of Boston. In addition to 
these records, the following Lincolnshire Lists have been 
incorporated, in order to render the present paper as complete 
as possible. A short list for the Louth District, published by 
r. H. Wallis Kew in 1886, in ‘The Naturalist’ (see Nat., 
Sept. 1886, p. 276), the species having been identified by 
Mr. T. D. A. Cockerell. Also a second list by Mr. Kew, pub- 
lished in 1888 (see Nat., July 1888, pp. 217-218), the species 
having been identified by Mr. Brunetti (Alford specimens), and 
Mr. Verrall (Louth specimens). In the paper these lists will be 
cited as Kew, 1886, and Kew, 1888. In addition to these, two 
lists by Mr. Jas. Eardley Mason have been further incorporated. 
The first, for the Alford district, was published in 18go, the 
specimens having been identified by Mr. Verrall (see Nat., 
June 1890, pp. 165-166). This list was republished with 
additions and additional detail in ‘The Naturalist’ for June 
1896 (pp. 175-180). The lists are quoted in the paper as Mason, 
1890, and Mason, 1896. A few. species, collected chiefly in the , 
northern part of the county by Mr. Wm. Denison Roebuck, and 
sent to me, complete the Lincolnshire records. 
It is hoped that the present contribution may serve as a pre- 
liminary list upon which to build at some future date a more or 
less complete Dipterous fauna of the county. A few critical 
notes have been added at the end of the list, and the species 
dealt with in these notes are marked with an asterisk in the 
list. 
Most of the records are for North Lincolnshire, the few from 
South Lincolnshire being distinguished by the heading ‘Linc. S.’ 
May 1868. 
