TITLES. 
Moll 17 
243. Henking, H. Austern und Austernzucht in Norwegen. Abh. 
deutsch. Seefisch.-Ver. vi, pp. 173-182, pi. xx. 
244. Herrick, C. L. & Johnson, D. W. The geology of the Albuquerque 
Sheet. Bull. Denison Univ. xi, pp. 173-239, pis. xxvii-lviii. 
245. Hescheler, K. Sepia officinalis L., der gemeine Tintenfisch; ein 
Beispiel der Untersuchung eines Tieres auf vergleichend-anatomischer 
Grundlage. Neujahrsbl. Naturf. Ges. civ, 40 pp., 2 pis. 
240 . -. Ueber die Gattung Pleurotomaria. Biol. Centrbl. xxi, pp. 
* 569-582. 
247. Heude, —. Observations sur la faune Conchyliologique de l’Annam. 
J. Conchyl. xlix, pp. 35 & 36. 
248. Hidalgo, J. G. Obras Malacologicas. Text, Entrega 5 (contains 
pp. 161-632 of part 1 , pp. 593-608 of part 3); atlas, Entrega 5 (15 
plates). Madrid, 1901, 4to. 
Relates almost entirely to Cochlostyla. 
249. Hilber, V. Pironcea slavonica , n. sp. Jahrb. geol. Reichsanst. li, 
pp. 169-176, pis. v & vi, 2 figg. 
250. Hilgendorf, F. Der Uebergang des Planorbis multiformis trochi- 
formis zum Planorbis multiformis oxystomus. Arch. Naturg. lxvii, 
Beiheft. pp. 331-346, pi. xi, and 1 fig. in text. 
251. Hind, W. A monograph of the British Carboniferous Lamelli- 
branchiata. Yol. ii, Part i, pp. 1-34, pis. i-vi. [Pal. Soc. Mon.] 
252. -& Howe, J. A. The Geological Succession and Palaeontology of 
the Beds between the Millstone Grit and the Limestone-Massif at 
Pendle Hill and their Equivalents in certain other Parts of Britain. 
Quart. J. Geol. Soc. Ivii, pp. 347-404, pi. xiv, 2 tables. 
253. Hinkley, A. A. Notes on Meseschiza grosvenorii Lea. Nautilus xv, 
pp. 5 & 6 . 
254. Hinton, M. A. C. & Kennard, A. S. Contributions to the 
Pleistocene geology of the Thames Valley, i. The Grays Thurrock 
Area, Part i. Essex Natural, xi, pp. 336-370, figg. 
255. Holmgren, E. Beitrage zur Morphologie der Zelle. i. Nerven - 
zellen. Anat. Hefte Arb. xviii, pp. 267-325, figg. 
Holroyd, W. F. [See Barnes & Holroyd (30).] 
256. Horsley, J. W. Notes [on landshells] from Porthleven, Cornwall. 
J. Conch, x, p. 48. 
257. Horusitzky, H. Die agro-geologisclien Verhaltnisse des unteren 
Ipoly- und Garamtliales. Jahresber. Ungarn geol. Anstalt 1898, 
pp. 206-230. 
Hovey, E. O. [See Whitfield & Hovey (649).] 
258. Howe, F. Report of a dredging expedition off the Southern coast 
of New England, September 1899. Bull. U. S. Fish Comm. xix. 
Mollusca at p. 239. 
Howe, J. A. [See Hind & Howe (252).] 
259. Hoyle, W. E. Note on D’Orbigny’s figure of Onychoteuthis dus- 
sumieri. Mem. Manchester Soc. xliv, No. 4, 3 pp. 
260. -. On the generic names Octopus , Eledone , and Histiopsis. T. c. 
No. 9, 7 pp. 
