CRUSTACEA COPEPODA. II. 35, 
been secured at North-West Iceland, especially in Dyrefjord; at the Feeroes it has been taken three times. 
In some cases the name of the host is not given, in other cases the host was Sommniosus microcephalus; in a 
few cases it is only said that it was found on a shark, which probably always has been the species named. 
The male specimen taken as type was captured south of Iceland: Lat. 63°05’ N., Long. 20°00’ W., 920 m., 
on Centrophorus squamosus (Dr. Joh. Schmidt). 
Distribution. — D. ferox was secured at Hammerfest, Finmark (M. Sars), but has not yet been 
found at Great Britain or the Atlantic coast of America. Whether it is identical with D. carcharodonti Thomp- 
son (1889) from New Zealand, as suggested by Bassett-Smith and Wilson, seems to me somewhat doubtful. 
40. Dinematura producta Mill. 
1785. Caligus productus O. F. Miller, Entomostraca, p. 132, Tab. XXI, fig. 3—4. 
!1861. Dinematura producta Steenstrup & Liitken, Kgl. D. Vid. Sélsk. Skrifter, 5. Reekke, naturh. og math. 
Afd. B. 5, p. 370—76, Tab. VII, fig. 13. 
1863. ©. — Lamne Kroyer, Nat. Tidsskr. 3. Rekke. B. II, p. 253. 
1907. — producta Wilson, Proc. U.S. Nat. Mus. Vol. XX XIII, p. 380, Pl. XXIII, fig. 79—87. 
!Ig13. — — ‘1. &A. Scott, Brit. Paras. Copep., p. 86, Pl. XXII, fig. 3; Pl. XXVIL, figs. 1—3; 
Pl. XXVII, figs. r—8. 
Occurrence. — Not taken by the “Ingolf”’. 
Steenstrup & Liitken write that D. producta has been taken on Lamna cornubica two or three times 
at the Feroes, and the Copenhagen Museums possesses 6 specimens examined by these authors. (Among 
specimens of D. feyox from Jakobshavn, West Greenland, I found a single specimen of D. producta, but it is 
impossible to decide with certainty whether that specimen has incidentally been mixed up with D. ferox by 
some earlier student or it originates really from Greenland.) 
Distribution. —T. & A. Scott put together several localities from the British Islands; it has been 
found from near Shetland to Cornwall, generally on Lamna cornubica, but once on Alopias vulpes. Steenstrup 
& Liitken mentions it from the Kattegat on Lamna. Cand. mag. Ad. Jensen took it on Lamna off Norway 
at Lat. 63°56’ N., Long. 6°11’ E.; Kroyer possessed specimens taken on the same shark at Alten, Finmark. 
Wilson records it from Casco Bay, Maine, and from Lat. 38°07’ N., Long. 74°21’ W. 
Echthrogaleus Stp. & Ltk. 
Only one species of this curious genus has been found within our area. 
41. Echthrogaleus coleoptratus Guérin. 
1837. Dinematura  coleoptrata Guerin, Icon. Régne Animal, Pl. XXXV, fig. 6. 
!1861. Echthrogaleus ae Steenstrup & Liitken, Kgl. D. Vid. Selsk. Skrifter, 5. Rekke, naturv. og 
math. Afd. B.5, p. 380; Tab. VIII, fig. 13. 
11907. — = Wilson, Proc: U.S. Nat. Mus. Vol. XX XIII, p. 367, Pl. XIX, figs. 4o—-50. 
1913. — — T. & A, Scott, Brit. Paras. Copep. p. 89, Pl. XXII, fig. 4. 
Occurrence, — Not taken by the “Ingolf’. 
