372 DISCOVERY REPORTS 



Two small specimens at WS 83 and two large ones at 388 and WS 88 respectively, all 

 similar to the British type of this "protean" organism. 



207. Lagena cymbula, Heron-Allen and Earland. 



Lagena cymbula, Heron-Allen and Earland, 1913, CI, p. 90, pi. vii, figs. 16-18. 

 Lagena cymbula, Heron-Allen and Earland, 1913, NSH, p. 129, pi. x, figs. 10-12. 



Two stations: 388; WS 93. 



A single typical specimen at each station. Its occurrence so far from the locus of 

 origin, and the only records in British Seas, is noteworthy. 



208. Lagena reniformis, Sidebottom (Plate X, figs. 31, 32). 



Lagena reniformis, Sidebottom, 1912, etc., LSP, 1913, p. 204, pi. xviii, figs. 14, 15. 

 Lagena reniformis, Heron-Allen and Earland, 1916, FWS, p. 255, pi. xli, figs. 30-4. 



Two stations: WS 87, 93. 



A few, but quite typical specimens. The species, though always rare, is widely 

 distributed. 

 Length, 0-12 mm.; breadth, o-i6 mm.; thickness, o-o8 mm. 



209. Lagena millettii, Chaster (Plate X, figs. 33, 34). 



Lagena millettii, Chaster, 1892, CS, p. 61, pi. i, fig. 10. 



Lagena millettii, Heron-Allen and Earland, 1913, CI, p. 83, pi. vi, fig. 10. 



Five stations: 388; WS 71, 88, 92, 408. 



A few specimens only. At WS 71 and 408, sharp-edged (length, 0-20 mm., breadth, 

 o-io mm.), at WS 88 both sharp and round-edged, at WS 92, sharp-edged (length, 

 0-19 mm.; breadth, 0-13 mm.), and with a semicircular terminal hood instead of the 

 circular hood characteristic of the other specimens, which agree in this respect with 

 Chaster's type in our collection. 



210. Lagena biancae (Seguenza) (Plate X, figs. 35-39). 



Fissiirina laevigata, Reuss, 1849-50, FOT, p. 366, pi. i (xlvi), fig. i. 

 Lagena laevigata, (Reuss 7ion d'Orbigny) of subsequent authors. 

 Fissurina biancae, Seguenza, 1862, FMMM, p. 57, pi. i, figs. 48-50. 

 Fissurina biancae, A. Silvestri, 1902, LMT, p. 20, figs. 29-32. 



Twenty-eight stations : 48, 51, 228, 236, 388; WS 71, 76, 79, 80, 83, 86, 87, 88, 90, 91, 92, 93, 97, 

 98, 99, 215, 217, 221, 225, 245, 248, 408, 409. 



It is unfortunate that a specific name so long and generally recognized as Lagena 

 {Fissurina) laevigata (Reuss) should have to be abandoned, but under the law of priority 

 this is inevitable, d'Orbigny having employed the specific name for a different organism 

 (see No. 169 a). The selection of an alternative name has not been easy and, although we 

 have devoted some time to a search of the literature prior to 1862, it is quite possible 

 that we have overlooked some species having a prior claim to Fissurina biancae, Seguenza, 

 which we have selected as an alternative name. 



Some earlier specific names were considered and dismissed for various reasons. 



