AIDGAP guides

Title	Code	Dates	Authors	Price
On the dating of English houses from external evidence	59	1968	Smith and Yates	7.5
A field key to the British Brown Seaweeds	125	1979	Hiscock	5
British water plants (revised)	107	1979	Haslam, Sinker & Wolseley	7.5
A key to the crabs and crab-like animals of British inshore waters (revised 1988)	155	1983	Crothers & Crothers	7.5
A key to the families of British Coleoptera (beetles) and Strepsiptera (revised 1988)	166	1984	Unwin	7.5
A key to the major groups of British freshwater invertebrates	181	1986	Croft	7.5
A key to the major groups of terrestrial invertebrates	187	1987	Tilling	7.5
Soil types: a field identification guide	196	1989	Trudgill	5
Keys to families of British spiders	197	1989	Jones-Walters	7.5
British Sawflies (Hymenoptera: Symphyta): a key to adults of the genera occurring in Britain	203	1990	Wright	7.5
A key to the woodlice of Britain and Ireland	204	1991	Hopkin	7.5
Field Key to the Shore Fishes of the British Isles	225	1994	Wheeler	5
A new key to wild flowers	OP90	1995	Hayward & Hickey	16.95
A key to the adults of British lacewings and their allies (Neuroptera, Megaloptera, Raphidiptera and Mecoptera)	245	1997	Plant	7.5
A key to the major groups of British marine invertebrates	246	1997	Crothers	11.5
British freshwater fishes and lampreys	247	1998	Wheeler	5
A guide to the identification of deciduous broad-leaved trees and shrubs in winter	258	2000	May & Panter	5
Identification of common benthic diatoms in rivers	260	2000	Kelly	11.5
A key to families of British bugs (Insecta, Hemiptera)	269	2001	Unwin	5
Freshwater Bivalves of Britain and Ireland	OP82	2004	Killeen, Aldridge & Oliver	20
Simple key to Caddis Larvae	OP105	2006	Ian Wallace	5
The fern guide (3rd edition)	OP117	2007	Merryweather	7.5
Guide to the British Stonefly (Plecoptera) families: adults and larvae	OP113	2007	Pryce, Macadam & Brooks	3.5
A key to the Collembola (Springtails) of Britain and Ireland	OP111	2007	Hopkin	22
Land snails in the British Isles (2nd edition)	OP79	2008	Cameron and Riley	8
Key to the identification of British centipedes	OP130	2008	Barber	8
Guide to the adult caddisflies or sedge flies (Trichoptera)	OP129	2008	Barnard and Ross	3.5
Using digital maps and GPS in fieldwork: a practical guide for teachers	OP126	2008	Field Studies Council	5
A Pictorial Guide to British Ephemeroptera	OP139	2010	Macadam & Bennett	15
British plant galls (2nd edition)	OP145	2011	Redfern & Shirley	28

On the dating of English houses from external evidence

59

1968

Smith and Yates

7.5

A field key to the British Brown Seaweeds

125

1979

Hiscock

5

British water plants (revised)

107