Bivalve shells are collected by professional and amateur conchologists and are sometimes harvested for commercial sale in the international shell trade or for use in glue, chalk, or varnish, occasionally to the detriment of the local ecology.
42.
He continued : " Many other landmark works by highly respected malacologists are omitted, while articles in periodicals frequently written by amateurs, such as " La Conchliglia " and " American Conchologist ", are [ not ].
43.
The avocational interests of Lea s father ( a noted natural scientist and conchologist as well as publisher ) and Lea s mother ( a knowledgeable botanist and classical linguist as well as homemaker ) supplemented Henry s and Carey s education and shaped their interests.
44.
Baron "'Jean Charles Louis Tardif d'Hamonville "'( 30 August 1830 in Saint-Mihiel & ndash; 1899 ), was an eminent French ornithologist and conchologist, and the author of a number of books on natural history.
45.
In 1899, the British amateur conchologist and naturalist Loftus St . George Byne ( 1872 1947 ) described this condition, in a presentation to the Conchological Society of Great Britain in Ireland, and did so again in another presentation in June of that same year.
46.
""'Carinaria cristata " "', commonly known as the "'glassy nautilus "', is a species of pelagic marine gastropod mollusc in the conchologists for their collections, being so rare that it was said to be worth more than its weight in gold.
47.
He enjoyed the friendship and help of such men as Dr . Auguste Forel, Professor Paul Godet, the brothers de Saussure ( linguist Ferdinand de Saussure, sinolog and astronomer L�opold de Saussure and Ren?de Saussure esperantist and scientist ), Escher von der Linth, and especially the well-known conchologist, Dr . Albert Mousson.
48.
Rousseau s biography also demonstrates Hill s polymathic endeavors as apothecary, botanist, conchologist, doctor, entrepreneur, geologist, herbalist, journalist, novelist, satirist, and all-around Wit and Man about Town in an era when Wits ruled the civilized world and when metropolitan culture was beginning to assume the power it has wielded over the last two centuries.
49.
Thousands of beachcombers, once considered a solitary lot, now correspond on the Internet and meet several times a year to show off their finds : There are the Beachcombers Fun Fair in March in Ocean Shores, Wash ., the Conchologists ( shell collectors ) of America Convention in Florida in July, and the International Sea-Bean ( drift seeds ) Symposium in October in Florida, which Katz organizes.
50.
MacAndrew met Edward Forbes, one of the founders of deep-sea marine biology research and through Forbes, MacAndrew met other naturalists who were interested in dredging, who worked for the British Association for the Advancement of Science, including John Goodsir FRS ( 1814 1867 ), James Smith FRS ( " of Jordanhill " ) ( 1782 1867 ), and the foremost conchologist of his day, John Gwyn Jeffreys FRS ( 1809 1885 ).
