36 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 122 



distinct from that of the first small male, from all the females, and 

 generally from the large male. These 2 overlapped in space con- 

 siderably but there is quite a difference in size between them, the 

 larger almost approaching adult size 



In addition to the four areas described above, two more were studied 

 that contained a number of young A. lineatopus of various sizes. In 

 both of these the spatial relations were more complex than when only 

 adults are considered. 



The first of these, Hibiscus hedge, had resident in it: 8 subadult 

 males of various sizes, 1 adult female, and 2 subadult females. It 

 was also visited by 3 adult males. The activity ranges of these 11 

 lizards (omitting the adult males) is given in figure 9. The first im- 

 pression of this figure is one of utter confusion. Closer examination, 

 however, reveals several patterns. Though the outlines of many of 

 the activity ranges overlap, there is Uttle overlap between the areas 

 in which the Uzards spent 75 percent of their time. Between lizards 

 of approximately the same size, little overlap occurs even at the outer 

 limits of the activity ranges. This exclusion of lizards of the same 

 size operates regardless of sex. 



The lizards can be separated into three size classes: the largest with 

 1 male 49 mm long, which ranged over almost the entire area; the 

 medium-sized Uzards, 3 males ca. 44, 42, 42 mm long, which were 

 mutually exclusive; and the smaller lizards, 7 in number, 3 females 

 of 35, 32, 30 mm, and 5 males of 40 to 30 mm, which were also mutually 

 exclusive. 



The section of the Barbican brush heap shown in figure 5 had 1 adult 

 male, 4 adult females, and 7 smaller lizards (5 females and 2 males) 

 present. Again their distribution (omitting the adult male) looks 

 confusing until they are sorted by size into two groups: a larger one 

 containing 4 females of 43 to 34 mm and 1 male of 3 1 mm ; and a smaller 

 sized group of 6 females of 30 to 22 mm. Again, though there is con- 

 siderable overlap between lizards of different sizes, there is httle over- 

 lap within the size classes. Again, for this size range of lizards, sex 

 is irrelevant. It should be noted that the size groupings used herein 



Figure 9. — Distribution of females, juveniles, and young adult males in Mona hibiscus 

 hedge; this area also was visited by several larger adult males (circles= fence posts and 

 certain important bushes; several types of lines distinguishing different size classes of 

 lizards based on censuses conducted April 18-23= activity ranges; stippled areas= places 

 where lizard spent 75% of its time (see pp. 28 for explanation); stippled area for no. 12 

 overlaps those of nos. 8, 10, and 11 and has been omitted for clarity; no. 3 female=32 

 mm, April 10; no. 4 male=36 mm, April 10; no. 5 male=42 mm, April 10; no. 7 female=35 

 mm, April 10; no. 8 female=30 mm, April 10; no. 10 male=42 mm, April 10; no. 11 

 male=:44 mm, April 10; no. 12 male=49 mm, April 10; no. 15 male=40 mm, April 11; 

 no. 18 male=36 mm, April 11; no. 25 male=36 mm, April 17). 



