BIOLOGY OF THE SCOTTISH LOCHS 
325 
366. S. pediculatus, From. Loch Ness. 
367. Aspidisca htrrita (Ehr.). Loch Ness. 
368. Vorticella camyamda^ Ehr. Loch Morar. 
369. Ophridmrn versatile^ Mall. Common in the smaller lochs, 
colonies reaching to a diameter of 6 inches. 
370. Shells of Tmtinnidmm were frequent in the northern lochs, 
and a 
371. Tinthimts^ species not identified, was living in the Loch of 
Stenness in Orkney. 
Sarcodina. — For work of any value on the Rhizopods and 
Heliozoa the Lake Survey is indebted to Dr Penard, of Geneva, the 
members of the staff having done nothing further than to extend the 
knowledge of distribution. 
Amoebcea. — 372. A mwha gramdosa^ Grub. 
373. A. radiosa^ Ehr. 
Testacea. — 374. CocMiopodkmi hUimbosimi (Auerbach). 
375. Dijfiugia acuminata, Ehr. 
376. D. arcida, Leidy. 
377. D. hadmfera. Pen. 
378. D. constricta, Ehr. 
379. D. corona^ Wallich. 
380. D. curvicaidis. Pen. 
381. D. glolndosa, Duj. 
382. D. gramen, Pen. 
383. D. lanceolata. Pen. 
384. D. lohostoma, Leidy. 
385. D. pristis. Pen. 
386. D. pyrrformis^ Perty. 
387. D. urceolata, Carter. 
388. Centropyxis aculeata, Stein. 
389. Pontigulasia bigibhosa, Pen. 
390. Lecquereusia modest a, Rhumbler. 
391. L. spiralis (Ehr.). 
392. Heleopera petricola, Leidy. 
393. H. rosea, Pen. 
394. Hyalosphenia papilio, Leidy. 
395. H. cimeata, Stein. 
396. H. elegans, Leidy. 
397. Nebela americana^ Taranek. 
398. iV. harhata, Leidy. 
399. N. hicornis, West. 
400. N. hur sella, Vejd. 
401. A^. car mat a, Archer. 
