experimenting to see if other species from America and different parts of the world 

 will not thrive if liberated in considerable numbers on British soil. 



By far the greater number of beginners, however, desire to learn this business 

 in order that they may make a livelihood or at least earn some money. Girls who 

 are working their way through school and college, others who are compelled to give 

 up office work on account of their health, and a large class who wish to add to 

 the family income comprise the majority of beginners. Those who are forced to 

 regard the financial side of the business may, after all, develop into the most useful 

 scientists. Under the spur of necessity they will work harder, display greater zeal 

 and accomplish results. 



Unless one receives personal instruction from a teacher who understands the 

 business, it is unwise to give up any position which brings in an income until one 

 is quite sure that he understands enough of this business to capture and breed desir- 

 able species and market his specimens. One may learn all this during his spare 

 moments and during vacations. Occasionally a correspondent succeeds from the 

 very outset, but the better rule is to be a little patient and do a certain amount of 

 experimenting before one launches into the business. During the summer months I 

 can give personal instruction by which the beginner may learn every necessary detail 

 of the work in one or two weeks, but to learn by correspondence requires a degree 

 of patience. 



There is a large demand for eggs, hibernating larvae and pupae, and winter 

 is the time to search for these. There are large numbers of collectors who earn 

 good money hunting for cocoons, and while engaged in this work they sometimes 

 discover eggs and larvae. One correspondent collected over ten thousand cocoons 

 last winter. 



TEACHERS' CLASS SUGGESTED. 



Prof. Ralph Benton of the Department of Biology of the University of 

 Southern California writes: 



"I have looked over your circulars containing invaluable suggestions and am 

 particularly impressed with the record they hold of sustained and careful work, 

 which I venture has proved itself delightful and absorbing. The idea of a compre- 

 hensive correspondence course, I think, should prove popular. Anything that 1 

 can do to assist you in such a work I shall be glad to do. When it comes to the 

 rearing of bees, a branch of insect breeding which has already developed to some- 

 thing of a commercial point, I can perhaps give you some suggestions, as I have 

 made the breeding of queen bees something of a study for use as material m 

 working out certain scientific problems in insect inheritance in which I have become 

 interested. And since you give the course under the Agassiz Association it will 

 receive my hearty support' and co-operation in any way that we can help to make 

 the enterprise a success. I was pleased and delighted to see, the other day, the 

 interest and publicity the Delineator has given to your work. I was interested to 

 note that you are a normal school graduate and continuing your studies in the 

 university. It will be the richest investment (not necessarily from the financial side, 

 but from the side of real living) that you could make. 



"In the light of your normal training and in view of the correspondence course 

 in Entomology, I have been thinking of the possibilities of such work in Los 

 Angeles among the fifteen hundred public school teachers we have here. During 

 the past year or two there has been quite a wave of nature study interest, and one 

 or two successful classes among the teachers have been formed. Insect studies 



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