| Description | 'You remember we subscribe to Journal of Hygiene (Camb. Univ. Press) and also to Parasitology, which they call a supplement to the former. We pay 15/- a year for the latter. We now want a second copy of Parasitology at same price. Please say promptly if you can supply and by what date. When sending please send a separate special invoice for this second copy and keep apart from our general subscription list.' |