264 REPORT 1868. 



Ebalia tuberosa (Pennant) (E. Pennant ii, Leach). Abundant. 



tumefacta (M.ont.) (E. JBryerii, Leach). A single specimen, 1864. Curi- 

 ously I have not found E. Cranchii in Shetland, though it seems widely 

 distributed on the Scotch coast. 



Atelecyclus septemdentatiis (Montagu), = A. heterodon, Leach. Common. 



Order ANOMURA. 



Lithodes maia (Linn.). 



Porcellana platychdes (Pennant). Tide-marks, Out Skerries and Lerwick. 



. longicornis (Linn.). Common ; a pretty variety with white carapace in 

 the neighbourhood of the Out Skerries. 



Pagurus BernJiardus (Linn.). 



Prideauarii, Leach. Common, always with Adamsia. 



cuanensis, Thompson. Rare, 15 fathoms. Vidlom Voe, 1861 ; also 5-7 

 miles off Balfca, 40-50 fathoms, 1867. 



pubescens, Kroyer (P. Thompsons, Bell). Common. A variety occurs 



in which the hands are entirely free from the hairs which ordinarily 

 clothe them. 



Hyndmanni, Thompson. 3-12 fathoms ; Bressay and Balta Sounds ; 



hard ground. 



Icevis, Thompson. Common 011 the Haddock (soft) grounds. 



ferrugineus, Norman, Ann. Nat. Hist. Oct. 1861, pi. xiii. figs. 1-3. 



Two specimens taken in Dourie Voe, 1861. 



tricar inatus, n. sp. Right chelate foot much larger than left ; meta- 

 carpus nearly smooth above, but having a few slender porrected spines 

 on the distant margin, below (as well as succeeding joints) tuberculate ; 

 wrist spinosely tuberculate ; hand ovate, broad, with three much raised 

 keels, one median and two lateral, which are denticulate on the crest ; 

 surface of hand, in the hollow between the keels, tuberculate ; finger 

 broad, flattened, having the outer margin covered with much elevated 

 tubercles. Left hand and wrist narrow, pinched up (as in P. pubescens) 

 into a spine-crowned keel ; outer margin of hand with a row of spines. 

 First two pair of walking legs having the upper margin spincd. All 

 the limbs slightly hispid, the hairs more especially developed on the left 

 cheliped. Length Ij inch. Three examples dredged in deep water 

 in 1867. 



There are two Mediterranean species to which this fine Pagurus 

 closely approaches, Pagurus angulatus. Risso, and Pagurus meticulosus, 

 Roux. The figures of the former would well accord with P. tricari- 

 natus, were it not that the keels of the hand are smooth instead of 

 strongly tuberculate ; and the latter appears to differ from our Shet- 

 land form in the more elongated hands. It is, however, not improbable 

 that the Pagurus here described may hereafter prove to belong to one 

 of these southern species. 



Order MACRURA. 



Galatliea strigosa (Linn.). 



squamifera (Montagu). 



nexa, Embleton. Rare, one specimen only, near Whalsey Skerries, 



1861. 

 intermedia, Lilljeborg (6r. Andrewsu, Kinahan). Not common. I am 



indebted to Prof. Lilljeborg for typical specimens of this species, which 



