110 Proceedings of the Royal Physical Society. 



Peach). Near the Bass Eock (Metzger). Firth of Forth 

 (Edin. Mus.). Aberlady and Kirkcaldy Bays (Leslie and 

 Herdman). Aberlady and Portobello (W. Evans). I have 

 occasionally observed this species among the trawl refuse 

 when at work with the Fishery cruiser " Garland." 



Genus (6) Atelecyclus, Leach, 1813. 



10. Atelecyclus septemdentatus (Montagu). 



1815. Cancer (Hippa) septemdentatus, Mont., Trans. Linn. Soc, 



vol. xi., pi. i. fig. 1. 

 1853. Atelecyclus heterodon, Bell, op. cit., p. 153. 



Habitat. — Firth of Forth, rare (Goodsir). Firth of Forth 

 (Edin. Mus.). Beach at Portobello (M'Bain). Found in the 

 stomach of a cod-fish (Dr J. A. Smith, 1 and Leslie and 

 Herdman). I have obtained A. septemdentatus on one or 

 two occasions. 



Family Pinnotheridje. 

 Genus (7) Pinnotheres, Latreille, 1802. 



11. Pinnotheres pisum (Linne). 



1767. Cancer pis um, Linn., Syst. Nat., ed. xii., vol. i.,part 2, p. 1039. 



Habitat. — Taken off Longniddry and elsewhere (Leslie and 

 Herdman). I have occasionally obtained living specimens 

 — male and female — in the shells of large horse-mussels 

 (Mytilus modiolus). Two females from M. modiohts, Preston- 

 pans, Feb. 1905 (W. Evans). 



Family Machida 

 Genus (8) Macropodia, Leach, 1814. 



12. Macropodia rostrata (Linne). 



1767. Cancer rostratus, Linn., Syst. Nat., ed. xii., vol. ii. p. 1014. 

 1853. Stenorynchus Phalangium, Bell, op. cit., p. 13. 



Habitat. — Firth of Forth, at Prestonpans (Edin. Mus.). 

 Both Howden, and Leslie and Herdman record this species, 



1 Cf. Proc. Hoy. Phy. Soc. Edin., vol. iii. p. 214. 



