176 Field Notes. 



Found ev'erywhere around Malvern and Worcester, varying 

 a good deal in colour and size, according to habitat. 



This concludes the list of species in this section, and the 

 remaining forms will occupy our attention in the next paper, 

 after which the water worms and enchytraeids may be con- 

 veniently taken up. It will be noted that I have not given 

 the positions of the dorsal pores. The reason is that ,my 

 researches hitherto have not convinced me that they are 

 reliable. I am at present, however, giving this point my 

 special attention. 



Erratum. — The formula for Liimhricus castaneus ('Nat.', 

 Dec. iQOQ, p. 428 should read ?§jJ.^ 



^ ^ ^ ^ 29 - 32* 



FIELD NOTES. 



COLEOPTERA. 

 Homalota nigrlcornis Thorns in Yorkshire. — Amongst 

 some small beetles taken under the carcase of a bird on the 

 shore at Eston-in-Cleveland last September, was a Homalota 

 strange to me. Mr. E. A. Newbery has kindly examined this 

 insect, which proves to be H. nigricornis Thoms. The species 

 is rare in the northern counties of England, and does not appear 

 to have been previously recorded for Yorkshire. — M. Lawson 

 Thompson, Middlesbrough, March loth, 1910. 



CRUSTACEA. 

 Occurrence of Platyarthrus hoffmannseggii in York- 

 shire. — Referring to the note on Platyarthrus hoffmannseggii 

 on page 136 of the March ' Naturalist,' I should like to point 

 out that although this Isopod may not appear in any printed 

 records for the North of England, it has frequently been met 

 with in several portions of the county. I have found it in 

 ants' nests at Kelsey Hill, near Keyingham, in Holderness, and 

 at Spurn. Mr. H. C. Drake, F.G.S., informs me that he has 

 obtained it at Hessle, near Hull, and at Scarborough ; and 

 Mr. J. W. Boult, says it occurs frequently on the suburbs of 

 Hull in ants' nests under paving stones, or ' flags.' If proper 

 investigations were made it is probable that it would be found 

 to be generally distributed in Yorkshire. — T. Stainforth, Hull. 



Naturalist, 



